World War II

Activated as a B-24 Liberator heavy bombardment squadron in December 1942; assigned to II Bomber Command for training. Primarily trained in Texas and Colorado. Received deployment orders for the European Theater of Operations (ETO) in April 1943.

Deployed to England in May 1943, being assigned to the VIII Bomber Command] and stationed at RAF Hethel. Upon its arrival at Hethel, almost was sent to Libya, where it began operations on July 9, 1943. The detachment flew missions to Crete, Sicily, Italy, Austria, and Romania. Received a Distinguished Unit Citation for the detachment's participation in the famed low-level attack against oil refineries at Ploesti on August 1, 1943. Returned to England in August and the squadron flew several missions against airfields in France and Holland.

The squadron deployed again temporarily to Tunisia during September and October 1943 with the group supporting Allied operations at Salerno and hit targets in Corsica, Italy, and Austria.

Resumed operations from RAF Hethel in October 1943 the squadron engaged in very long range strategic bombardment operations over Occupied Europe and Nazi Germany. Targets included industrial facilities; oil production facilities and refineries, rail and other transportation centers, enemy military airfields and garrisons. The squadron participated in the intensive air campaign against the German aircraft industry during Big Week, February 20–25, 1944.

Continued attacks on enemy targets until the German Capitulation in May 1944; returning to the United States later that month and reforming at Charleston Army Airfield, South Carolina. Unit personnel were demobilized throughout the summer of 1945. Inactivated on 13 September 1945