[
  {
    "inclusiveStartDate": {
      "year": 1953,
      "logicalDate": "1953-01-01"
    },
    "levelOfDescription": "series",
    "creators": [
      {
        "creatorType": "Most Recent",
        "heading": "Department of Defense. Department of the Air Force. Office of the Chief of Staff. Office of the Assistant Chief of Staff, Intelligence. Aerospace Technical Intelligence Center. (9/21/1959 - 7/1/1961)",
        "abolishDate": {
          "month": 7,
          "year": 1961,
          "day": 1,
          "logicalDate": "1961-07-01"
        },
        "authorityType": "organization",
        "establishDate": {
          "month": 9,
          "year": 1959,
          "day": 21,
          "logicalDate": "1959-09-21"
        },
        "naId": 10468957
      }
    ],
    "recordType": "description",
    "inclusiveEndDate": {
      "year": 1967,
      "logicalDate": "1967-12-31"
    },
    "useRestriction": {
      "note": "Some or all of this material may be restricted by copyright or other intellectual property right restrictions.",
      "specificUseRestrictions": [
        "Copyright"
      ],
      "status": "Restricted - Possibly"
    },
    "audiovisual": "false",
    "title": "Sound Recordings Relating to Project Blue Book Unidentified Flying Object (UFO) Investigations",
    "physicalOccurrences": [
      {
        "extent": "approximately 51 audio reels",
        "referenceUnits": [
          {
            "address2": "8601 Adelphi Road",
            "city": "College Park",
            "phone": "301-837-3540",
            "address1": "National Archives at College Park",
            "postalCode": "20740-6001",
            "name": "National Archives at College Park - Motion Pictures",
            "state": "MD",
            "fax": "301-837-3620",
            "email": "mopix@nara.gov",
            "mailCode": "RDSM"
          }
        ],
        "mediaOccurrences": [
          {
            "generalMediaTypes": [
              "Magnetic Media"
            ],
            "specificMediaType": "Audio Tape/Reel"
          }
        ],
        "holdingsMeasurements": [
          {
            "count": 34,
            "type": "7 inch single open reel tape"
          },
          {
            "count": 9,
            "type": "5 inch single open reel tape"
          },
          {
            "count": 3,
            "type": "3 inch single open reel tape"
          },
          {
            "count": 4,
            "type": "16mm x 400' capacity (round)"
          },
          {
            "count": 1,
            "type": "Other Container"
          }
        ],
        "copyStatus": "Preservation"
      }
    ],
    "accessRestriction": {
      "status": "Unrestricted"
    },
    "itemCount": 24,
    "arrangement": "Arranged by NARA-assigned numbers from 3 to 26.",
    "dataControlGroup": {
      "groupId": "ou=NWCS-M,ou=groups",
      "groupCd": "RDSM"
    },
    "generalRecordsTypes": [
      "Sound Recordings"
    ],
    "localIdentifier": "341-PBB",
    "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
      }
    ],
    "naId": 1142703
  }
]