 While at Carswell he also flew B-29 Superfortress and B-52 Stratofortress aircraft, and accumulated more than 5,000 hours flying the B-36.He served consecutively as a crewmember, flight standardization chief, squadron commander, and deputy commander for operations of the 7th Bombardment Wing.Schoeffler graduated from the Air War College at Maxwell Air Force Base, Alabama, in 1961.