[
  {
    "accessionNumbers": [
      "NN-375-209"
    ],
    "inclusiveStartDate": {
      "year": 1947,
      "logicalDate": "1947-01-01"
    },
    "onlineResources": [
      {
        "note": "Records in this series have been digitized and made available online by our partner, Footnote.com, for a fee. The digitized records on Footnote.com are available free of charge in all NARA Research Rooms, including those in our regional archives and Presidential Libraries.",
        "description": "Footnote",
        "url": "http://www.footnote.com/documents/6283401/project-blue-book-ufo-investigations"
      }
    ],
    "levelOfDescription": "series",
    "creators": [
      {
        "creatorType": "Predecessor",
        "heading": "Department of Defense. Department of the Air Force. Air Materiel Command. Intelligence Department. Technical Intelligence Division. (1947 - 1951)",
        "abolishDate": {
          "year": 1951,
          "logicalDate": "1951-12-31"
        },
        "authorityType": "organization",
        "establishDate": {
          "year": 1947,
          "logicalDate": "1947-01-01"
        },
        "naId": 10462433
      },
      {
        "creatorType": "Most Recent",
        "heading": "Department of Defense. Department of the Air Force. Air Force Systems Command. Foreign Technology Division. Aerial Phenomena Branch. (7/1/1961 - 12/17/1969)",
        "abolishDate": {
          "month": 12,
          "year": 1969,
          "day": 17,
          "logicalDate": "1969-12-17"
        },
        "authorityType": "organization",
        "establishDate": {
          "month": 7,
          "year": 1961,
          "day": 1,
          "logicalDate": "1961-07-01"
        },
        "naId": 10455222
      }
    ],
    "recordType": "description",
    "inclusiveEndDate": {
      "year": 1969,
      "logicalDate": "1969-12-31"
    },
    "subjects": [
      {
        "heading": "Unidentified flying objects",
        "authorityType": "topicalSubject",
        "naId": 10643350
      }
    ],
    "useRestriction": {
      "status": "Unrestricted"
    },
    "audiovisual": "false",
    "fileUnitCount": 53,
    "title": "Project Blue Book Administrative Files",
    "physicalOccurrences": [
      {
        "extent": "1 linear foot, 9 linear inches",
        "referenceUnits": [
          {
            "address2": "8601 Adelphi Road",
            "city": "College Park",
            "phone": "301-837-3510",
            "address1": "National Archives at College Park",
            "postalCode": "20740-6001",
            "name": "National Archives at College Park - Textual Reference",
            "state": "MD",
            "fax": "301-837-1752",
            "email": "Archives2reference@nara.gov",
            "mailCode": "RDT2"
          }
        ],
        "mediaOccurrences": [
          {
            "generalMediaTypes": [
              "Loose Sheets"
            ],
            "specificMediaType": "Paper",
            "containerId": "Boxes 1-4"
          },
          {
            "generalMediaTypes": [
              "Photographic Materials"
            ],
            "specificMediaType": "Photographic Print"
          }
        ],
        "holdingsMeasurements": [
          {
            "count": 4,
            "type": "Letter Archives Box, Standard"
          }
        ],
        "copyStatus": "Preservation",
        "physicalOccurrenceNote": "Photographs are interfiled among the paper records in this series."
      }
    ],
    "accessRestriction": {
      "status": "Unrestricted"
    },
    "arrangement": "Unarranged.",
    "dataControlGroup": {
      "groupId": "ou=RDTP2,ou=groups",
      "groupCd": "RDTP2"
    },
    "generalRecordsTypes": [
      "Maps and Charts",
      "Photographs and other Graphic Materials",
      "Textual Records"
    ],
    "microformPublications": [
      {
        "identifier": "T1206",
        "note": "This series can be found on microfilm roll numbers 85-87 of T1206.",
        "title": "T1206 - Project 'Bluebook.', 1947-1969."
      }
    ],
    "variantControlNumbers": [
      {
        "number": "A1 294A",
        "type": "HMS/MLR Entry Number"
      },
      {
        "number": "NND 923007",
        "type": "Declassification Project Number"
      },
      {
        "number": "siFootnote Air Force",
        "type": "Search Identifier"
      }
    ],
    "ancestors": [
      {
        "inclusiveStartDate": {
          "year": 1934,
          "logicalDate": "1934-01-01"
        },
        "distance": 1,
        "levelOfDescription": "recordGroup",
        "recordGroupNumber": 341,
        "inclusiveEndDate": {
          "year": 2004,
          "logicalDate": "2004-12-31"
        },
        "title": "Records of Headquarters U.S. Air Force (Air Staff)",
        "naId": 653
      }
    ],
    "scopeAndContentNote": "This series consists of the administrative files of Project Blue Book, the U.S. Air Force investigation into unidentified flying objects (UFOs) that took place between 1947 and 1969.  The files contain correspondence, staff studies, status reports, congressional hearing reports, press releases, transcripts of public and Air Force briefings, newspaper articles, and photographs.  The files relate to the organization and staffing of the project, the release to the public of information about unidentified flying objects, and the progress and findings of the study.",
    "naId": 595175,
    "functionAndUse": "Air Force staff compiled these records as part of the Air Force study of UFOs called Project Blue Book.   Investigators from districts and commands sent the records to the Air Technical Intelligence Center at Wright Patterson Air Force Base."
  }
]