The 920th Air Refueling Squadron is an inactive United States Air Force unit. It was last assigned to the 379th Bombardment Wing, stationed at Wurtsmith AFB, Michigan where it was inactivated on 15 June 1993. The first predecessor of the squadron was the 420th Bombardment Squadron which served as a heavy bomber operational and replacement training unit from 1942 until the spring of 1944 when it was inactivated in a general reorganization of United States Army Air Forces training units.