Teletype IDO 7-3351
17 August 1956
The first two sheets of a copy of IDO 7-3351, a retransmission of BOI-485 by 7th Air Division, South Ruislip, are shown below (annotations are by ATIC personnel, 1956, and Colorado University UFO Project staff, 1968). Declassification from SECRET/ CRYPTOPRECATION APPLIES was by the hand of Maj. Hector Quintanilla on March 15 1968.
Reproduced with permission of the library of the American Philosophical Society, Philadelphia.