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This Project Blue Book file, released through The Black Vault, collects US Air Force records from 1950 to 1959 on the movie film Nicholas Mariana shot at Great Falls, Montana on 15 August 1950. It includes the OSI interview report, letters about borrowing and copying the film, and a 1956 Douglas Aircraft analysis. Blue Book's own findings were not consistent: one letter lists the cause as unknown, while later memos conclude the objects were probably two F-94 jets.
“Cooper”6 pages
DEPARTMENT OF THE AIR FORCE STAFF MESSAGE DIVISION INCOMING CLASSIFIED MESSAGE UNCLASSIFIED PARAPHRASE NOT REQUIRED. NOTIFY CRYPTOCENTER BEFORE DECLAS3IFYING 13 Dec 52 FM CO 1701 AT VG GREAT FALLS AFB MONT O JEPHQ/ HQ UAF WASH DC UNCLASSIFIED GFQPT-12-2483 UR MSG AFOIN -2A-2 28/19082 STATES FOLG FILM TAKEN AT F-22 USED WOLLENSAK RAPTAR 3 IN P/4 CINE TELEPHOTO 2D ACTION: OTN DOWNGRADED AT 3 YEAR DECLASSIFIED AFTER 12 YEARS DOD DIR 5200.10 CAP IN: 94579 (13 Dec 52) 2RD/cc AFHQ FORM 0-309g 19 JAN 51 PREVIOUS EDITIONS OF THIS FORM MAY BE USED.
Document, cited by the archive. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model; expect the odd misread word. 114 pages are in the text index: search them above, or from the library's search.