 The squadron was inactivated at the end of 2010 when the 319th wing lost its operational mission and became the 319th Air Base Wing.The first predecessor of the squadron was the 505th Bombardment Squadron, which was activated during World War II and served as a Replacement Training Unit until it was inactivated when the Army Air Forces reorganized its training units into Army Air Forces Base Units.The 905th was organized under Strategic Air Command in 1960 at Grand Forks, where it served as an air refueling unit for the next fifty years under SAC and Air Mobility Command.