{
    "model": {
        "rank": 6076,
        "code": "thing-q179969",
        "model_id": "vr.tr.air-force-one",
        "name": "Air Force One",
        "purpose": "Enable an AI agent to identify the aircraft meant by Air Force One, distinguish its presidential role from its physical identity, assess evidenced mission readiness, and determine which actions require authorization.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/q179969/",
        "tier": 2,
        "score": 62,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "Independence"
            ],
            "aliasCount": 1,
            "merged": 1,
            "knownIn": 62,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q179969",
                "url": "https://www.wikidata.org/wiki/Q179969",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T11:27:10Z",
                "providers": [
                    "Codex",
                    "Grok"
                ],
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": 0.01441906,
                        "turns": 1,
                        "seconds": 194.8,
                        "error": null
                    },
                    "codex": {
                        "seconds": 77.3,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07b9a-1ef1-7731-a9b0-83757895ad01\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: Air Force One\nRegistry id: vr.tr.air-force-one\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q179969",
                "registryId": "vr.tr.air-force-one",
                "name": "Air Force One",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q179969/",
            "model": {
                "registry_id": "vr.tr.air-force-one",
                "name": "Air Force One",
                "purpose": "Enable an AI agent to identify the aircraft meant by Air Force One, distinguish its presidential role from its physical identity, assess evidenced mission readiness, and determine which actions require authorization.",
                "definition": "In the physical-object sense, Air Force One is the dedicated United States presidential transport aircraft - today a pair of heavily modified Boeing 747-200B airframes designated VC-25A and flown by the 89th Airlift Wing from Joint Base Andrews - while the same name is the air-traffic call sign of any USAF aircraft while the President is aboard.",
                "scope_statement": "This model owns the physical aircraft referent of vr.tr.air-force-one and its time-bounded relationship to presidential transport, including designation evidence, mission configuration, readiness and permitted interventions; it preserves the distinction between an individual airframe, the dedicated presidential fleet and an active call sign within this single registry entry.",
                "in_scope": [
                    "Individual airframe identity and evidence connecting it to the name Air Force One.",
                    "Time-bounded presidential carriage and call-sign applicability.",
                    "Aircraft-specific suitability for presidential transport and work aboard.",
                    "Presidential mission readiness, limitations and supporting dependencies.",
                    "Authority for access, maintenance, assignment and release.",
                    "Historical service, replacement and retirement of associated airframes."
                ],
                "out_of_scope": [
                    "The presidency, presidential powers and succession as institutional models.",
                    "General aircraft engineering and component maintenance procedures.",
                    "Other presidential vehicles and their distinct service-specific designations.",
                    "Flight itineraries, airspace management and airport operations as independent models.",
                    "Fleet procurement contracts and acquisition programmes.",
                    "Protective tactics, classified system designs and passenger personal records."
                ],
                "distinguishing_features": [
                    "For operational designation, establish both U.S. Air Force aircraft status and presidential presence; appearance or ownership alone does not establish Air Force One. [White House explanation](https://www.whitehouse.gov/about-the-white-house/air-force-one/)",
                    "Determine whether the name denotes a particular airframe, the dedicated presidential aircraft collectively or a call sign on a particular occasion; require an airframe identifier before attaching physical condition records.",
                    "A presidential transport configuration and an active Air Force One designation are separate tests: configuration concerns the aircraft's capabilities, while designation concerns its use.",
                    "Distinguish a serving aircraft from a retired presidential aircraft, museum exhibit or replica through service records and provenance rather than markings.",
                    "Do not treat a particular aircraft type, paint scheme or fleet count as a permanent definition of this registry entry."
                ],
                "characteristics": [
                    {
                        "name": "Referent interpretation",
                        "kind": "category",
                        "unit_or_values": "individual airframe | dedicated fleet reference | operational designation instance | unresolved",
                        "why_it_matters": "Prevents assigning one aircraft's condition to every object described as Air Force One."
                    },
                    {
                        "name": "Airframe identity",
                        "kind": "relation",
                        "unit_or_values": "verified serial or military identifier linked to an individual aircraft",
                        "why_it_matters": "Maintains physical continuity when assignments, markings or names change."
                    },
                    {
                        "name": "Air Force operating relationship",
                        "kind": "relation",
                        "unit_or_values": "documented service relationship with effective dates and evidence",
                        "why_it_matters": "Supports the service-specific designation test."
                    },
                    {
                        "name": "Presidential carriage evidence",
                        "kind": "state",
                        "unit_or_values": "confirmed aboard | confirmed absent | unknown, for a stated historical or authorized observation interval",
                        "why_it_matters": "Separates designation evidence from an assumption based on aircraft type."
                    },
                    {
                        "name": "Presidential mission configuration",
                        "kind": "category",
                        "unit_or_values": "documented configuration and revision | unknown",
                        "why_it_matters": "Prevents transferring capabilities between different airframes or modification states."
                    },
                    {
                        "name": "Presidential mission release",
                        "kind": "state",
                        "unit_or_values": "released | conditionally released | withheld | unknown, for a specified mission and time",
                        "why_it_matters": "Distinguishes general ability to fly from approval for presidential use."
                    },
                    {
                        "name": "Presidential work and communications availability",
                        "kind": "state",
                        "unit_or_values": "available | degraded | unavailable | unverified, by required function",
                        "why_it_matters": "Makes loss of mission functions visible even when the aircraft remains flyable."
                    },
                    {
                        "name": "Configured occupancy limit",
                        "kind": "measurement",
                        "unit_or_values": "persons, under an identified configuration and approval",
                        "why_it_matters": "Supports assessment of an authorized party without assuming commercial seating capacity."
                    },
                    {
                        "name": "Mission endurance assessment",
                        "kind": "measurement",
                        "unit_or_values": "hours, with configuration, operating assumptions and assessment date",
                        "why_it_matters": "Connects transport suitability to evidenced mission conditions rather than a headline range."
                    },
                    {
                        "name": "Presidential service lifecycle",
                        "kind": "state",
                        "unit_or_values": "candidate | undergoing modification | accepted | in service | temporarily unavailable | retired | preserved | unknown",
                        "why_it_matters": "Distinguishes proposed replacements and historical aircraft from available presidential transports."
                    }
                ],
                "affordances": [
                    "Resolve a reference to Air Force One to an evidenced airframe, fleet reference or designation interval.",
                    "Assess whether available evidence supports the operational designation for a specified occasion.",
                    "Compare documented aircraft capabilities with an authorized presidential mission's requirements.",
                    "Flag missing, stale or contradictory readiness evidence for review by the responsible authority.",
                    "Prepare an access, maintenance or assignment request for the appropriate decision maker.",
                    "Trace changes of configuration and service status without losing the aircraft's physical identity."
                ]
            },
            "sources": [
                {
                    "id": "usaf-vc25-fact-sheet",
                    "title": "VC-25 - Air Force One (fact sheet), United States Air Force",
                    "url": "",
                    "what_it_supports": "Official MDS, role, dimensions, speed, ceiling, takeoff weight, range, crew and passenger counts, and operator of the current dedicated aircraft."
                },
                {
                    "id": "usc-18-3056",
                    "title": "18 U.S.C. § 3056, Powers, authorities, and duties of United States Secret Service, United States Congress",
                    "url": "https://www.law.cornell.edu/uscode/text/18/3056",
                    "what_it_supports": "Statutory protection of the President, including during travel, which is why the aircraft is a protective as well as a transport platform.",
                    "url_status": "live"
                },
                {
                    "id": "14-cfr-91-141",
                    "title": "14 CFR § 91.141, Flight restrictions in the proximity of the Presidential and other parties, Federal Aviation Administration",
                    "url": "https://www.ecfr.gov/current/title-14/section-91.141",
                    "what_it_supports": "Civil-aviation rule that authorizes flight restrictions around presidential movements, including when Air Force One is in the National Airspace System.",
                    "url_status": "live"
                },
                {
                    "id": "faa-7110-65",
                    "title": "FAA Order JO 7110.65, Air Traffic Control, Federal Aviation Administration",
                    "url": "",
                    "what_it_supports": "Controller procedures for presidential aircraft, including the Air Force One call sign and special handling."
                },
                {
                    "id": "wikidata-q1768970",
                    "title": "Air Force One (Q1768970), Wikidata / Wikimedia Foundation",
                    "url": "https://www.wikidata.org/wiki/Q1768970",
                    "what_it_supports": "Stable public identifier and aliases for the call sign and, by common linkage, the dedicated presidential aircraft.",
                    "url_status": "live"
                },
                {
                    "id": "nmusaf-sam-26000",
                    "title": "Boeing VC-137C SAM 26000 (museum fact sheet), National Museum of the United States Air Force",
                    "url": "",
                    "what_it_supports": "Historical dedicated airframe lineage and the distinction between retired museum presidential 707s and the in-service VC-25A fleet."
                }
            ],
            "structure": {
                "bundles": [
                    {
                        "id": "airframe-and-presidential-designation",
                        "name": "Airframe and presidential designation",
                        "description": "Resolve what the name identifies and when its operational meaning applies.",
                        "rationale": "Air Force One can refer to a presidential aircraft in ordinary speech without establishing that the operational designation applies at the observation time.",
                        "layers": [
                            {
                                "id": "physical-referent",
                                "name": "Physical referent",
                                "description": "Anchor claims to an individual aircraft or explicitly identify a collective reference.",
                                "findings": [
                                    {
                                        "id": "resolve-air-force-one-reference",
                                        "name": "Resolve the Air Force One reference",
                                        "description": "Require evidence identifying the referent before attaching condition, capability or service claims.",
                                        "questions": [
                                            {
                                                "text": "Does this occurrence of Air Force One identify one airframe, a fleet reference or an operational designation?",
                                                "kind": "definition",
                                                "id": "resolve-air-force-one-reference-q01"
                                            },
                                            {
                                                "text": "Which authoritative record connects the reference to an airframe identifier and observation date?",
                                                "kind": "provenance",
                                                "id": "resolve-air-force-one-reference-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "designation-applicability",
                                "name": "Designation applicability",
                                "description": "Separate physical identity and presidential transport assignment from call-sign use.",
                                "findings": [
                                    {
                                        "id": "establish-designation-interval",
                                        "name": "Establish the designation interval",
                                        "description": "Record the evidence and temporal limits supporting operational use of the name.",
                                        "questions": [
                                            {
                                                "text": "What evidence establishes the aircraft's Air Force status and presidential presence for the occasion?",
                                                "kind": "provenance",
                                                "id": "establish-designation-interval-q01"
                                            },
                                            {
                                                "text": "Which authoritative rule determines when the designation begins and ends, including ground operations?",
                                                "kind": "boundary",
                                                "id": "establish-designation-interval-q02"
                                            },
                                            {
                                                "text": "How should the agent label this reference when presidential presence or call-sign use cannot be verified?",
                                                "kind": "action",
                                                "id": "establish-designation-interval-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "presidential-mission-configuration",
                        "name": "Presidential mission configuration",
                        "description": "Represent the aircraft's evidenced ability to carry the presidential party and support work aboard.",
                        "rationale": "Presidential transport suitability depends on the particular configuration and required functions, not merely on the airframe's type.",
                        "layers": [
                            {
                                "id": "presidential-party-accommodation",
                                "name": "Presidential party accommodation",
                                "description": "Assess the configuration against the needs of the authorized travelling party.",
                                "findings": [
                                    {
                                        "id": "party-and-support-fit",
                                        "name": "Party and support fit",
                                        "description": "Record approved capacity and evidenced provision for presidential occupancy, staff work and required onboard support.",
                                        "questions": [
                                            {
                                                "text": "What occupancy and support limits apply to this airframe's approved presidential configuration?",
                                                "kind": "measurement",
                                                "id": "party-and-support-fit-q01"
                                            },
                                            {
                                                "text": "Which accommodation, accessibility or medical-support requirements remain unmet or unverified for the proposed use?",
                                                "kind": "boundary",
                                                "id": "party-and-support-fit-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "presidential-work-continuity",
                                "name": "Presidential work continuity",
                                "description": "Evaluate required work and communications functions without assuming that every associated aircraft has identical equipment.",
                                "findings": [
                                    {
                                        "id": "work-and-communications-fit",
                                        "name": "Work and communications fit",
                                        "description": "Record configuration-specific evidence for required presidential work functions and their assessed availability.",
                                        "questions": [
                                            {
                                                "text": "Which authoritative configuration record establishes the work and communications functions available on this aircraft?",
                                                "kind": "provenance",
                                                "id": "work-and-communications-fit-q01"
                                            },
                                            {
                                                "text": "Which required functions are available, degraded or unverified for the proposed presidential mission?",
                                                "kind": "measurement",
                                                "id": "work-and-communications-fit-q02"
                                            },
                                            {
                                                "text": "Who must assess whether a missing function prevents assignment or permits a restricted use?",
                                                "kind": "action",
                                                "id": "work-and-communications-fit-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "presidential-mission-readiness",
                        "name": "Presidential mission readiness",
                        "description": "Assess whether the particular aircraft can support a specified presidential mission at the relevant time.",
                        "rationale": "A serviceable aircraft may still lack mission-specific approval, configuration or support needed for presidential transport.",
                        "layers": [
                            {
                                "id": "flight-and-mission-release",
                                "name": "Flight and mission release",
                                "description": "Distinguish flightworthiness evidence from acceptance for the presidential task.",
                                "findings": [
                                    {
                                        "id": "presidential-release-basis",
                                        "name": "Presidential release basis",
                                        "description": "Track the scope, authority and validity of readiness assessments, including limitations affecting presidential use.",
                                        "questions": [
                                            {
                                                "text": "What current evidence supports flight release and acceptance for the specified presidential mission?",
                                                "kind": "provenance",
                                                "id": "presidential-release-basis-q01"
                                            },
                                            {
                                                "text": "Which defects, expired assessments or configuration changes require renewed review before presidential use?",
                                                "kind": "action",
                                                "id": "presidential-release-basis-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "mission-support-dependencies",
                                "name": "Mission support dependencies",
                                "description": "Connect aircraft suitability to required crew, ground support and operating assumptions.",
                                "findings": [
                                    {
                                        "id": "supported-presidential-operation",
                                        "name": "Supported presidential operation",
                                        "description": "Record whether the aircraft's approved mission assumptions are supported, using references to neighbouring operational models.",
                                        "questions": [
                                            {
                                                "text": "Under which configuration and operating assumptions has endurance for the proposed presidential mission been assessed?",
                                                "kind": "measurement",
                                                "id": "supported-presidential-operation-q01"
                                            },
                                            {
                                                "text": "Which required crew qualifications, handling provisions and maintenance support have been confirmed by the responsible operators?",
                                                "kind": "provenance",
                                                "id": "supported-presidential-operation-q02"
                                            },
                                            {
                                                "text": "Which unmet support dependency requires reassessment or selection of another authorized aircraft?",
                                                "kind": "action",
                                                "id": "supported-presidential-operation-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "authority-and-presidential-service-history",
                        "name": "Authority and presidential service history",
                        "description": "Represent control over aircraft actions and the evidence for entry into, continuity of and departure from presidential service.",
                        "rationale": "Association with the presidency neither grants permission to act on an aircraft nor proves that a replacement or historical airframe is currently available.",
                        "layers": [
                            {
                                "id": "controlled-aircraft-actions",
                                "name": "Controlled aircraft actions",
                                "description": "Relate proposed interventions to the authority responsible for the particular presidential aircraft.",
                                "findings": [
                                    {
                                        "id": "action-specific-authorization",
                                        "name": "Action-specific authorization",
                                        "description": "Require evidence of permission appropriate to access, work, configuration changes or presidential assignment.",
                                        "questions": [
                                            {
                                                "text": "Which authority controls the proposed action on this aircraft, and what is the scope and validity of its permission?",
                                                "kind": "action",
                                                "id": "action-specific-authorization-q01"
                                            },
                                            {
                                                "text": "Does approval for access or maintenance also authorize presidential mission assignment, or is a separate decision required?",
                                                "kind": "boundary",
                                                "id": "action-specific-authorization-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "service-entry-and-retirement",
                                "name": "Service entry and retirement",
                                "description": "Preserve airframe identity across modification, acceptance, replacement and historical preservation.",
                                "findings": [
                                    {
                                        "id": "evidenced-presidential-service-status",
                                        "name": "Evidenced presidential service status",
                                        "description": "Distinguish an announced or modified candidate from an accepted aircraft, and historical association from current service.",
                                        "questions": [
                                            {
                                                "text": "Which dated records establish this airframe's acceptance, presidential service, withdrawal or retirement?",
                                                "kind": "provenance",
                                                "id": "evidenced-presidential-service-status-q01"
                                            },
                                            {
                                                "text": "What evidence distinguishes a proposed replacement or displayed former presidential aircraft from an aircraft available for presidential assignment?",
                                                "kind": "boundary",
                                                "id": "evidenced-presidential-service-status-q02"
                                            },
                                            {
                                                "text": "Which capability and permission assessments must be renewed after a modification or return to service?",
                                                "kind": "action",
                                                "id": "evidenced-presidential-service-status-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-kinds",
                                        "name": "Kinds and varieties",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "Dedicated VC-25A presidential 747-200B (the two operational airframes SAM 28000 and SAM 29000)",
                                            "VC-25B replacement presidential 747-8 under the Presidential Aircraft Recapitalization program (not yet the in-service fleet)",
                                            "Other 89th Airlift Wing Special Air Mission jets, especially the C-32A (Boeing 757), that become Air Force One when used into fields the 747 cannot use",
                                            "Historical dedicated VC-137C Boeing 707 presidential aircraft (SAM 26000 and SAM 27000)",
                                            "Pre-jet USAF presidential transports (VC-54C Sacred Cow, VC-118 Independence, VC-121 Columbine and successors)",
                                            "Any other USAF aircraft that temporarily bears the call sign solely because the President is aboard"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of Air Force One this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-identifiers",
                                        "name": "Identifiers and schemes",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "scheme": "Wikidata",
                                                "value_or_pattern": "Q1768970",
                                                "note": "Item for Air Force One as call sign and popular name of the presidential aircraft; dedicated airframes have separate items."
                                            },
                                            {
                                                "scheme": "USAF Mission Design Series",
                                                "value_or_pattern": "VC-25A | VC-25B",
                                                "note": "Current dedicated type is VC-25A; recapitalization type is VC-25B."
                                            },
                                            {
                                                "scheme": "USAF aircraft serial",
                                                "value_or_pattern": "82-8000 | 92-9000",
                                                "note": "The two operational VC-25A airframes."
                                            },
                                            {
                                                "scheme": "Special Air Mission (SAM) number",
                                                "value_or_pattern": "SAM 28000 | SAM 29000",
                                                "note": "Mission numbers used for the same two VC-25A airframes when the President is not aboard."
                                            },
                                            {
                                                "scheme": "ICAO / ATC call sign",
                                                "value_or_pattern": "AIR FORCE ONE (spoken); AF1 (coded)",
                                                "note": "Attaches only while the President is aboard a USAF aircraft; reverts after deplaning."
                                            },
                                            {
                                                "scheme": "ICAO aircraft type designator",
                                                "value_or_pattern": "B742",
                                                "note": "Type designator applicable to the VC-25A's 747-200B basis; not a unique presidential code."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of Air Force One this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-standards-and-regulation",
                                        "name": "Standards and regulation",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "18 U.S.C. § 3056 - United States Congress (Secret Service authority to protect the President, including in transit)",
                                            "14 CFR § 91.141 - Federal Aviation Administration (flight restrictions near presidential parties)",
                                            "FAA Order JO 7110.65 - Federal Aviation Administration (ATC handling of presidential aircraft and the Air Force One call sign)",
                                            "ICAO Annex 2, Rules of the Air - International Civil Aviation Organization (international operation of the flight)",
                                            "USAF Special Air Mission / 89th Airlift Wing operating instructions - United States Air Force (assignment, generation, and employment of the dedicated airframes; many implementing details are not public)"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-standards-and-regulation-q01",
                                                "text": "Which of these standards and regulation hold for the sense of Air Force One this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-real-world-use",
                                        "name": "Real-world use",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "Long-range transport of the U.S. President and a traveling White House (office, conference spaces, staff and press cabins, and a medical suite)",
                                            "Airborne command-and-control and secure voice/data while the President is in transit, including endurance on aerial refueling so a landing is not required in a crisis",
                                            "State arrival and departure platform: the aircraft, airstairs, and presidential seal are used as diplomatic theater",
                                            "Pair employment: one VC-25A flies the mission while the spare is held ready or pre-positioned",
                                            "Substitution: a C-32A or other SAM jet takes the Air Force One call sign into airports the 747 cannot use",
                                            "Public encounter of retired dedicated airframes as museum objects (notably SAM 26000 at the National Museum of the USAF and SAM 27000 at the Reagan Library)"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of Air Force One this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-measurements",
                                        "name": "Typical measurements",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "quantity": "Length (VC-25A)",
                                                "typical_range": "70.7",
                                                "unit": "m"
                                            },
                                            {
                                                "quantity": "Wingspan (VC-25A)",
                                                "typical_range": "59.6",
                                                "unit": "m"
                                            },
                                            {
                                                "quantity": "Height (VC-25A)",
                                                "typical_range": "19.3",
                                                "unit": "m"
                                            },
                                            {
                                                "quantity": "Maximum takeoff weight (VC-25A)",
                                                "typical_range": "378000",
                                                "unit": "kg"
                                            },
                                            {
                                                "quantity": "Unrefueled range (VC-25A)",
                                                "typical_range": "12500",
                                                "unit": "km"
                                            },
                                            {
                                                "quantity": "Typical cruise speed (VC-25A)",
                                                "typical_range": "0.84",
                                                "unit": "Mach"
                                            },
                                            {
                                                "quantity": "Service ceiling (VC-25A)",
                                                "typical_range": "13700",
                                                "unit": "m"
                                            },
                                            {
                                                "quantity": "Passengers plus crew (VC-25A, published complement)",
                                                "typical_range": "76 passengers, 26 crew",
                                                "unit": "persons"
                                            },
                                            {
                                                "quantity": "Dedicated in-service airframes",
                                                "typical_range": "2",
                                                "unit": "aircraft"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of Air Force One this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-failure-modes-and-hazards",
                                        "name": "Failure modes and hazards",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "Mechanical or systems failure of an aging 747-200 derivative (avionics obsolescence, corrosion, engine or hydraulic loss), mitigated but not eliminated by four-engine design and a spare airframe",
                                            "Hostile action on takeoff, landing, or the ground (MANPADS, small arms, sabotage); the aircraft carries classified defensive systems and is flown with protective tactics, but remains most exposed near airfields",
                                            "Electromagnetic pulse or nuclear effects; the VC-25A is hardened relative to a civil 747, not invulnerable",
                                            "Loss, jamming, or compromise of presidential communications, isolating the commander-in-chief in transit",
                                            "Runway, weather, bird-strike, or diversion constraints, with continuity-of-government consequences if the President cannot be moved or recovered as planned",
                                            "Simultaneous unavailability of both dedicated airframes, or recapitalization delay that leaves the nation on 1990-vintage VC-25As",
                                            "Call-sign or identity confusion in mixed civil-military airspace, or public conflation of the movie/brand with the actual aircraft"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of Air Force One this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-regional-variation",
                                        "name": "Regional variation",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "The name and call sign are unique to the United States; peer states operate nationally named or unnamed VIP transports (for example Russia's Special Flight Detachment Rossiya Il-96-300PU, or UK RAF Voyager / Envoy IV) that are not Air Force One",
                                            "English-language media worldwide often apply \"Air Force One\" to any head-of-state jet, which is incorrect",
                                            "In U.S. radio practice the call sign attaches only while the President is aboard a USAF aircraft and is dropped on deplaning (the airframe then typically reverts to a SAM mission number)",
                                            "Retired U.S. presidential airframes are museum objects in specific places (Wright-Patterson AFB, Ohio; Reagan Library, California) and are no longer Air Force One in the operational sense"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of Air Force One this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-neighbours",
                                        "name": "Neighbouring kinds and how to tell them apart",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "name": "Marine One",
                                                "difference": "Rotary-wing aircraft of HMX-1, U.S. Marine Corps; Air Force One is a USAF fixed-wing aircraft. Test: operator service and rotor versus wing."
                                            },
                                            {
                                                "name": "Air Force Two",
                                                "difference": "USAF aircraft with the Vice President, not the President, aboard. Test: which principal is on the manifest."
                                            },
                                            {
                                                "name": "Executive One",
                                                "difference": "Civil (non-DoD) aircraft with the President aboard. Test: military versus civil operator."
                                            },
                                            {
                                                "name": "Navy One",
                                                "difference": "U.S. Navy aircraft with the President aboard (modern example: S-3B Viking, 2003). Test: Navy versus Air Force operator."
                                            },
                                            {
                                                "name": "E-4B National Airborne Operations Center (Nightwatch)",
                                                "difference": "747-derived DoD airborne command post, different MDS and mission, not the presidential transport. Test: MDS E-4B versus VC-25, and NAOC tasking versus 89th Airlift Wing presidential airlift."
                                            },
                                            {
                                                "name": "C-32A (Boeing 757 SAM aircraft)",
                                                "difference": "A different type that only is Air Force One while the President is aboard; used for shorter fields. Test: airframe type (757 versus VC-25A) and whether the President is actually embarked."
                                            },
                                            {
                                                "name": "Airline Boeing 747-200",
                                                "difference": "Same basic airframe family without presidential modifications. Test: presence of aerial-refueling receptacle, EMP hardening, self-contained airstairs, medical and command suites, defensive aids, and USAF VC-25 identity."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of Air Force One this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does the registry intend primarily the operational designation or the commonly named presidential aircraft, given its PHY.OBJ placement and absent definition?",
                "Which authoritative operating rules establish exact call-sign activation and termination boundaries, including ground operations and changes in presidential status?",
                "Which airframes and configurations are officially accepted for presidential service at the model's reference date, including any interim aircraft?",
                "Which publicly supportable criteria and authorities distinguish ordinary flight release from approval for a particular presidential mission?",
                "Does an existing Vercy world model already own this concept, requiring this registry entry to link to it rather than receive a separate publication?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 9,
                "findings": 16,
                "questions": 28
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "unclassified",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a Air Force One, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to identify the aircraft meant by Air Force One, distinguish its presidential role from its physical identity, assess evidenced mission readiness, and determine which actions require authorization.",
            "characteristics": {
                "substance": "material",
                "origin": "manufactured",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: Independence.",
                "1 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 62 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a Air Force One, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "matter you can touch",
            "physicalCharacter": [
                "Mobility varies between examples.",
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "Recognised by form and material. The registry holds no appearance data, so what a Air Force One looks like has to come from research."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "Independence"
                    ]
                }
            ],
            "standing": "Described in 62 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 1 finer distinctions are held inside this entry as names rather than as separate models.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one Air Force One from another, and a Air Force One from things that resemble it.",
                        "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.",
                        "layers": [
                            {
                                "id": "naming-and-identifiers",
                                "name": "Names and identifiers",
                                "description": "The names this thing goes by and the identifiers that survive translation and time.",
                                "findings": [
                                    {
                                        "id": "preferred-name-and-aliases",
                                        "name": "Preferred name, aliases and local names",
                                        "description": "Which name to use, which names mean the same thing, and which merely sound similar.",
                                        "questions": [
                                            {
                                                "id": "preferred-name-and-aliases-q01",
                                                "text": "What identifies and describes the name of a Air Force One, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q02",
                                                "text": "Who or what asserted this about the name of a Air Force One, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q03",
                                                "text": "What may an agent decide or do once the name of a Air Force One is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "stable-identifiers",
                                        "name": "Stable identifiers and external keys",
                                        "description": "Identifiers that keep pointing at this kind of thing across systems and languages.",
                                        "questions": [
                                            {
                                                "id": "stable-identifiers-q01",
                                                "text": "What identifies and describes an identifier for a Air Force One, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q02",
                                                "text": "Who or what asserted this about an identifier for a Air Force One, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q03",
                                                "text": "What may an agent decide or do once an identifier for a Air Force One is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "classification-and-granularity",
                                "name": "Classification and granularity",
                                "description": "Where a Air Force One sits among kinds, and how finely a task needs to cut it.",
                                "findings": [
                                    {
                                        "id": "kind-and-parents",
                                        "name": "Kind, parents and neighbouring kinds",
                                        "description": "The classes this thing belongs to and the ones it is next to.",
                                        "questions": [
                                            {
                                                "id": "kind-and-parents-q01",
                                                "text": "What identifies and describes the kind of a Air Force One, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q02",
                                                "text": "Who or what asserted this about the kind of a Air Force One, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q03",
                                                "text": "What may an agent decide or do once the kind of a Air Force One is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "distinguishing-features",
                                        "name": "Distinguishing features",
                                        "description": "What separates a Air Force One from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a Air Force One, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q02",
                                                "text": "Who or what asserted this about what distinguishes a Air Force One, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q03",
                                                "text": "What may an agent decide or do once what distinguishes a Air Force One is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "form-and-composition",
                        "name": "Form, composition and condition",
                        "description": "What a Air Force One is made of, what shape and size it takes, and what state it is in.",
                        "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.",
                        "layers": [
                            {
                                "id": "form-and-dimensions",
                                "name": "Form and dimensions",
                                "description": "Shape, size, mass and the ranges these take across examples.",
                                "findings": [
                                    {
                                        "id": "measurable-dimensions",
                                        "name": "Measurable dimensions and their units",
                                        "description": "The quantities worth recording and the units they are recorded in.",
                                        "questions": [
                                            {
                                                "id": "measurable-dimensions-q01",
                                                "text": "What identifies and describes the dimensions of a Air Force One, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "measurable-dimensions-q02",
                                                "text": "Who or what asserted this about the dimensions of a Air Force One, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "measurable-dimensions-q03",
                                                "text": "What may an agent decide or do once the dimensions of a Air Force One is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "material-and-composition",
                                "name": "Material and composition",
                                "description": "Materials, parts and how they are put together.",
                                "findings": [
                                    {
                                        "id": "parts-and-materials",
                                        "name": "Parts and materials",
                                        "description": "What a Air Force One is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a Air Force One, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "parts-and-materials-q02",
                                                "text": "Who or what asserted this about the composition of a Air Force One, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "parts-and-materials-q03",
                                                "text": "What may an agent decide or do once the composition of a Air Force One is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "condition-and-integrity",
                                "name": "Condition and integrity",
                                "description": "Wear, damage, health and the difference between working and broken.",
                                "findings": [
                                    {
                                        "id": "condition-assessment",
                                        "name": "Condition, damage and health",
                                        "description": "How the condition of a Air Force One is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a Air Force One, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "condition-assessment-q02",
                                                "text": "Who or what asserted this about the condition of a Air Force One, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "condition-assessment-q03",
                                                "text": "What may an agent decide or do once the condition of a Air Force One is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "place-and-movement",
                        "name": "Place and movement",
                        "description": "Where a Air Force One is, how it got there and where it may go (varies).",
                        "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.",
                        "layers": [
                            {
                                "id": "location-and-placement",
                                "name": "Location and placement",
                                "description": "Position, containment and the reference frame the position is given in.",
                                "findings": [
                                    {
                                        "id": "position-and-frame",
                                        "name": "Position, container and reference frame",
                                        "description": "Where a Air Force One is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a Air Force One, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q02",
                                                "text": "Who or what asserted this about the location of a Air Force One, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q03",
                                                "text": "What may an agent decide or do once the location of a Air Force One is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "movement-and-transfer",
                                "name": "Movement and transfer",
                                "description": "How a Air Force One is carried, installed or relocated.",
                                "findings": [
                                    {
                                        "id": "movement-events",
                                        "name": "Movement events and constraints",
                                        "description": "What counts as a movement, what records it and what limits it.",
                                        "questions": [
                                            {
                                                "id": "movement-events-q01",
                                                "text": "What identifies and describes the movement of a Air Force One, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q02",
                                                "text": "Who or what asserted this about the movement of a Air Force One, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q03",
                                                "text": "What may an agent decide or do once the movement of a Air Force One is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "state-and-lifecycle",
                        "name": "State and lifecycle",
                        "description": "The states a Air Force One passes through and the events that move it between them.",
                        "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.",
                        "layers": [
                            {
                                "id": "lifecycle-stages",
                                "name": "Lifecycle stages",
                                "description": "From coming into existence to ceasing to be one of these.",
                                "findings": [
                                    {
                                        "id": "stages-and-transitions",
                                        "name": "Stages and transitions",
                                        "description": "The stages worth naming and what moves a Air Force One between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a Air Force One, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q02",
                                                "text": "Who or what asserted this about the lifecycle of a Air Force One, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q03",
                                                "text": "What may an agent decide or do once the lifecycle of a Air Force One is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "observations-and-status",
                                "name": "Observations and current status",
                                "description": "What is observed about a Air Force One, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a Air Force One is recorded so that it can be superseded rather than overwritten.",
                                        "questions": [
                                            {
                                                "id": "observation-record-q01",
                                                "text": "What identifies and describes an observation of a Air Force One, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q02",
                                                "text": "Who or what asserted this about an observation of a Air Force One, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q03",
                                                "text": "What may an agent decide or do once an observation of a Air Force One is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "use-and-operation",
                        "name": "Use and operation",
                        "description": "What can be done with a Air Force One and what it takes to do it.",
                        "rationale": "An agent that can recognise a thing but not act on it has only half a model.",
                        "layers": [
                            {
                                "id": "intended-use",
                                "name": "Intended use and function",
                                "description": "What a Air Force One is for, and what it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-and-purpose",
                                        "name": "Function, purpose and misuse",
                                        "description": "The function a Air Force One performs and the uses that fall outside it.",
                                        "questions": [
                                            {
                                                "id": "function-and-purpose-q01",
                                                "text": "What identifies and describes the use of a Air Force One, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "function-and-purpose-q02",
                                                "text": "Who or what asserted this about the use of a Air Force One, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "function-and-purpose-q03",
                                                "text": "What may an agent decide or do once the use of a Air Force One is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "handling-and-procedure",
                                "name": "Handling and procedure",
                                "description": "The steps, skills and tools involved in using a Air Force One.",
                                "findings": [
                                    {
                                        "id": "procedures-and-skills",
                                        "name": "Procedures, skills and required tools",
                                        "description": "What an agent needs before it can act on a Air Force One at all.",
                                        "questions": [
                                            {
                                                "id": "procedures-and-skills-q01",
                                                "text": "What identifies and describes handling a Air Force One, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "procedures-and-skills-q02",
                                                "text": "Who or what asserted this about handling a Air Force One, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "procedures-and-skills-q03",
                                                "text": "What may an agent decide or do once handling a Air Force One is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a Air Force One came from and when it held.",
                        "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.",
                        "layers": [
                            {
                                "id": "source-and-authority",
                                "name": "Source and authority",
                                "description": "Who said it, on what evidence, and how strongly.",
                                "findings": [
                                    {
                                        "id": "claim-provenance",
                                        "name": "Claim provenance and confidence",
                                        "description": "The authority behind each claim about a Air Force One and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a Air Force One, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q02",
                                                "text": "Who or what asserted this about a claim about a Air Force One, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q03",
                                                "text": "What may an agent decide or do once a claim about a Air Force One is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "time-and-versions",
                                "name": "Time, versions and supersession",
                                "description": "When a claim was true, when it was learnt, and what replaced it.",
                                "findings": [
                                    {
                                        "id": "validity-and-supersession",
                                        "name": "Validity period and supersession",
                                        "description": "How an old claim about a Air Force One is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a Air Force One, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q02",
                                                "text": "Who or what asserted this about the validity of a claim about a Air Force One, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q03",
                                                "text": "What may an agent decide or do once the validity of a claim about a Air Force One is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 6,
                "layers": 13,
                "findings": 15,
                "questions": 45
            }
        }
    }
}