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This FBI file serial 164 in 62-HQ-83894 holds several copies of Air Intelligence Requirements Memorandum Number 4, "Unconventional Aircraft," issued 15 February 1949 by the Directorate of Intelligence, Headquarters United States Air Force. Major General C. P. Cabell signed it. It sets out continuing Air Force requirements for information on unconventional aircraft and unidentified flying objects, including "Flying Discs," and tells commands and outside agencies to send reports to the Air Materiel Command at Wright-Patterson AFB. It also lists detailed reporting questions on sightings, observers, radar data and physical evidence.
“Office of Special Investigations”13 pages
RESTRICTED r DEPARTMENT OF THE AIR FORCE HEADQUARTERS UN1TED STATES AIR FORCE DIRECTORATE OF INTELLIGENCE WASHINGTON 25, D. C. 15 February 1949 AIR INTELLIGENCE REQUIREMENTS MEMORANDUM NUMBER 4 UNCONVENTIONAL AIRCRAFT PART I - GENERAL 1. PURPOSE The purpose of this memorandum is twofold: a. To enunciate continuing Air Force requirements for information pertaining to s ightings of unconventional ai rcraft and unidentified flying objects, including the so- called "Flying Discs." b. To establish procedures for reporting such information. 2. RESCISSION Department of the Army Collection Memorandum Number 7, dated 21 January 1948, and letter, CSGID 425.1, dated 25 March 1948, both subject as above, which have been transferred to Air Force agencies for action, are herewith superseded. 3. REPORTING a. General (1) As complete an answer to the requirements enunciated in Part II, as may be procur able, should be dispatched by means of electrical transmission immediately afte:' sighttngs. (2) Supplementary reports should be forwarded as availabl e by the most expeditious means consistent with the importance of the information reported. b. Major Air Commands (Overseas) and Air Attaches (1) Initial and supplementary cabled reports will be transmitted to the Dir ector of Intelli gence, Headquarters United States Air Force. Cables will contain the phase, " Pass to COMGENAMC WRIGHT- PATTERSON AFB, DAYTON, OHIO, ATTN: MCIAXO- 3." RESTRICTED C9-~892, AF
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