{
  "schema": "evercraft.hidden-world.cold-war-evidence.v1",
  "subject": "Washington Titan I complexes (Larson Air Force Base region)",
  "scope": "Public historical education; broad county/regional context only, no exact site map, property entrances, personnel routes, operational procedures or active equipment.",
  "generated_at": "2026-11-09",
  "chronology": [
    {
      "date": "1959-12-01",
      "event": "Groundbreaking begins for three Larson AFB-region Titan I complexes",
      "source_id": "historylink-10158",
      "confidence": "published_historical_account"
    },
    {
      "date": "1961",
      "event": "Complexes completed",
      "source_id": "historylink-10158",
      "confidence": "published_historical_account"
    },
    {
      "date": "1962",
      "event": "Washington Titan I complexes declared operational",
      "source_id": "historylink-10158",
      "confidence": "published_historical_account"
    },
    {
      "date": "1965-01-01",
      "event": "Titan I sites stand down",
      "source_id": "historylink-10158",
      "confidence": "published_historical_account"
    },
    {
      "date": "1965-03",
      "event": "Deactivation follows",
      "source_id": "historylink-10158",
      "confidence": "published_historical_account"
    }
  ],
  "documented_system_facts": [
    {
      "id": "titan-clusters",
      "claim": "Washington's Larson-associated Titan I program used three complexes, with three missiles per complex.",
      "source_id": "historylink-10158"
    },
    {
      "id": "deep-silos",
      "claim": "HistoryLink reports silo depth of approximately 160 feet at the Washington sites.",
      "source_id": "historylink-10158"
    },
    {
      "id": "control-space",
      "claim": "Historical accounts document a hardened underground launch-control room.",
      "source_id": "historylink-10158"
    },
    {
      "id": "linked-spaces",
      "claim": "General Titan I complexes incorporated linked underground support structures.",
      "source_id": "usaf-building-missiles"
    },
    {
      "id": "lift-system",
      "claim": "Titan I historically used a silo-to-surface lift rather than underground launch.",
      "source_id": "spaceforce-history"
    },
    {
      "id": "closure",
      "claim": "The Washington sites were retired in 1965 and became privately owned and closed to visitors.",
      "source_id": "historylink-10158"
    },
    {
      "id": "flood-hazard",
      "claim": "The Quincy/Royal City complex has been reported flooded.",
      "source_id": "historylink-10158"
    }
  ],
  "broad_regions": [
    {
      "id": "odessa-region",
      "region": "Odessa vicinity, Washington",
      "source_id": "historylink-10158",
      "locator_kind": "town_context_only",
      "actual_complex_coordinates": null,
      "property_entrance_coordinates": null,
      "open_to_public": false
    },
    {
      "id": "warden-region",
      "region": "Warden vicinity, Washington",
      "source_id": "historylink-10158",
      "locator_kind": "town_context_only",
      "actual_complex_coordinates": null,
      "property_entrance_coordinates": null,
      "open_to_public": false
    },
    {
      "id": "quincy-region",
      "region": "Quincy/Royal City vicinity, Washington",
      "source_id": "historylink-10158",
      "locator_kind": "town_context_only",
      "actual_complex_coordinates": null,
      "property_entrance_coordinates": null,
      "open_to_public": false
    }
  ],
  "sources": [
    {
      "id": "historylink-10158",
      "title": "ICBM (Intercontinental Ballistic Missiles) in Washington State",
      "publisher": "HistoryLink",
      "author": "Duane Colt Denfeld",
      "published": "2012-07-31",
      "url": "https://www.historylink.org/File/10158",
      "scope": "Washington history, deployment, closure, access restrictions"
    },
    {
      "id": "usaf-building-missiles",
      "title": "Building Missiles, 1954–1966",
      "publisher": "U.S. Air Force history (govinfo)",
      "url": "https://www.govinfo.gov/content/pkg/GOVPUB-D103-PURL-gpo107257/pdf/GOVPUB-D103-PURL-gpo107257.pdf",
      "scope": "Declassified historic Titan I underground architecture; illustrative context not a Washington parcel plan"
    },
    {
      "id": "spaceforce-history",
      "title": "U.S. Air Force ballistic missile historical publication",
      "publisher": "U.S. Air Force / Space Force archive",
      "url": "https://www.losangeles.spaceforce.mil/Portals/16/documents/AFD-060912-023.pdf",
      "scope": "Historical Titan I lift configuration"
    }
  ],
  "exhibit": {
    "page": "titan-i-1962.html",
    "visual_medium": "original conceptual SVG",
    "precise_survey_geometry": false,
    "interpretive_silo_positions": true,
    "real_tunnel_routes": false,
    "missile_operations_instructions": false,
    "public_access_authorized": false,
    "original_source_images_embedded": false,
    "era_switch_no_javascript_required": true
  },
  "next_evidence_gates": [
    "Review original declassified historic Titan I diagrams for conceptual relationships, retaining their era and site caveats.",
    "Do not represent historic design drawings as measured plans of surviving Washington properties.",
    "Add original educational documentation on crew experience and infrastructure service roles.",
    "Validate hosted public content and physical-device Safari independently of GitHub CI."
  ]
}