Fredric Doppelt began active duty in the U.S. Air Force in August 1960 as a ward physician, pulmonary service, at the Air Force Hospital, Scott Air Force Base, Ill. After completion of the primary course in aerospace medicine at the U.S. Air Force School of Aerospace Medicine, Brooks Air Force Base, he served as chief of flight medicine and preventive medicine until August 1962. He then entered Johns Hopkins School of Hygiene and Public Health. He retired in 1991 as a U.S. Air Force Major General.



