65 HS1-834228961 62-HQ-83894 Section 006

CONFIDENTIAL DEPARTMENT OF THE AIR FORCE HEADQUARTERS UNITED STATES AIR FORCE WASHINGTON 25, D. C. AFOIC-CC-1 8 September 1950 SUBJECT: Reporting of Information on Unconventional Aircraft TO: Commanding Generals, Major Air Commands, ZI and Overseas All United States Air Attaches --- 1. The United States Air Force has a continuing requirement for the reporting and technical analysis of observations of unconventional aircraft which might indicate an advance in technological progress of a foreign power. An unconventional aircraft, within the meaning of this directive, is defined as any aircraft or airborne object which by performance, aerodynamic characteristics, or unusual features, does not conform to any presently known aircraft type. 2. It is desired that information on unconventional aircraft be reported in the following manner: a. A separate report of each incident will be forwarded. No information other than that bearing on the unconventional aircraft will be included in this report. b. Priority of transmission accorded the report will be that appropriate in the judgment of the forwarding agency, according to its apparent authenticity and importance as intelligence. c. Reports will be forwarded to Commanding General, Air Materiel Command, Attention: MCIS. d. Reports forwarded by electrical transmission will include, as far as possible: (1) A brief description of the object(s); its shape, size, color, number, formation if more than one, aerodynamic features, trail or exhaust, propulsion system, speed, sound, maneuvers, manner of disappearance, and other pertinent or unusual features. (2) Time sighted in 24-hour clock zonal time, and length of time observed. --- CONFIDENTIAL ENCLOSURE 62-83894-249 *Incl. 1*