 He earned a master of science degree from The George Washington University, Washington, D.C., in 1967; and graduated from the Armed Forces Staff College, Norfolk, Virginia, in 1964; and the National War College, Fort Lesley J. McNair, Washington, D.C., in 1967.After graduation from West Point, Davis entered the U.S. Air Force and attended pilot training at Vance Air Force Base, Oklahoma, earning his pilot wings in August 1951.He then was assigned as a twin-engine pilot at James Connally Air Force Base, Texas.