The 90th Troop Carrier Squadron (Medium) is an inactive United States Air Force unit. Its last assignment was with the 438th Troop Carrier Group, based at Offut Air Force Base, Nebraska. It was inactivated on 16 Nov 1957 The squadron was first activated in June 1943. After training in the United States, it served in the European Theater of Operations, earning a Distinguished Unit Citation for its action on D-Day during Operation Overlord. After VE Day. the unit returned to the United States, where it was inactivated.