early The 97th Operations Group (97 OG) is a United States Air Force unit assigned to the Air Mobility Command 97th Air Mobility Wing. It is stationed at Altus Air Force Base, Oklahoma During World War II, the group's predecessor unit, the 97th Bombardment Group was the first VIII Bomber Command B-17 Flying Fortress bombardment group to fly a heavy bomber mission from the United Kingdom against the Rouen-Sotteville marshalling yards in France. It launched the attack from RAF Polebrook on 17 August 1942. Inactivated on 29 October 1945.