 He served as a flight engineer on Convair B-36 bombers.After his four-year enlistment in the USAF, Raisbeck returned in 1958 to Purdue University.To help cover the costs of tuition and living expenses, he signed up for active reserve duty with the 434th Troop Carrier Wing at Bakalar AFB, Columbus, Indiana, as a flight engineer on Fairchild C-119s.