Following the war, he entered
Texas Christian University and received his bachelor of science degree in business administration in June 1948. He then returned to his former wartime organization, the 36th Fighter Wing, at
Furstenfeldbruck, West Germany, as commander of the
22d Fighter Squadron until December 1949. He returned to the United States in January 1950 and he served as jet operations officer at
Tactical Air Command Headquarters at
Langley Air Force Base in Virginia, an instructor in the first class of the Air-Ground Operations School at
Ninth Air Force Headquarters at
Pope Air Force Base in North Carolina, where he organized the Forward Air Controllers School and the first jump trained FAC School at Pope. He next went to
George Air Force Base in California, and served as commander of the
21st Fighter Bomber Group, an
F-86 Sabre unit. From 1954 to 1958, he served as chief of the Fighter Branch, Flight Safety Research Division, 1002d Inspector General Group at
Norton Air Force Base, California. In February 1958, he went to the
NATO Defense College in
Paris. In August 1958, he went to
Keflavik,
Iceland, as commander of the
1400th Operations Group,
Iceland Defense Force, flying the
F-89 Scorpion. In August 1959, he was assigned to Headquarters U.S. Air Force in Washington, D.C., as assistant for Flight Missile and Nuclear Safety in the Office of the Inspector General. He returned to Norton Air Force Base in 1963 as deputy director of Aerospace Safety. Douglas went to
Cannon Air Force Base in
New Mexico, as director of operations for the Tactical Air Command's
832d Air Division in June 1964 and in September assumed command of the
474th Tactical Fighter Wing there. In July 1965, he was assigned as commander of the
41st Air Division in
Yokota Air Base in Japan. He was awarded the
Order of the Sacred Treasure (3rd Class) from the
Government of Japan, for his efforts as the commander of 41st Air Division at Yokota. During the
Vietnam War, Douglas took the command of
388th Tactical Fighter Wing at
Korat Royal Thai Air Force Base in
Thailand, after the previous commander, Colonel Neil J. Graham died of a
heart attack. During his tour in Vietnam, Douglas flew
Republic F-105D Thunderchief 59-1743, which he also named "The Arkansas Traveler". In February 1969 he was assigned as commander of the
836th Air Division in
MacDill Air Force Base in Florida until his retirement from the Air Force on February 1, 1970. ==Later life==