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This FBI file concerns Dr. Gerald Vincent Bull, a Canadian scientist associated with ballistics, sounding rockets, and weapons research. In 1981, an employee at Hanscom Air Force Base in Massachusetts received an unsolicited postcard from East Germany signed by Dr. G. Bull requesting a reprint from the Journal of Geophysical Research. FBI Boston checked Bureau indices and coordinated with FBI Headquarters, the Legal Attaché in Ottawa, and the Air Force Office of Special Investigations to identify Bull and assess the contact. The released records, dated 1981 to 1982, include teletype messages, routing slips, liaison memoranda, and a proposed reply intended to confirm Bull's identity and seek information about past gun-launched chemical-release research.

FBI file number: 66-135 | Documents span: 1981-1982 | Released in 1 part
Names in this file: Gerald Vincent Bull, Gerald Bull
Subjects: Gerald Bull, East Germany, AFOSI liaison, Hanscom Air Force Base, ballistics research, counterintelligence