John R. Allen Jr. (born 1935) is a retired United States Air Force (USAF) brigadier general. Allen served on active duty for 31 years, until his retirement in 1990. He is a highly decorated command pilot with over 6,000 flying hours on B-47 Stratojet, FB-111, B-52 Stratofortress, KC-135 Stratotanker and T-39 Sabreliner aircraft.