The 320th Troop Carrier Squadron is an inactive United States Air Force unit. It was activated on 17 December 1944, and inactivated on 19 August 1946 at Roswell Army Air Field, New Mexico. The squadron was later consolidated with the 302d Transport Squadron and 302d Tactical Reconnaissance Squadron. The squadron was a support squadron for the 509th Composite Group during World War II. It was formed as the transport unit for the 509th, and due to the highly secret nature of the group, carried all supplies and equipment for Project Silverplate Atomic Bomb activities. It also functioned as a special air transport squadron for high-ranking officers, nuclear scientists and for the group's commander, Lt. Col. Paul Tibbets to meetings concerning Silverplate. The squadron later served as a transpo