 The group was activated in the fall of 1994, when it replaced a provisional group as missile training activities at Vandenberg were transferred to AETC.During World War II, the group's first predecessor, the 381st Bombardment Group was an Eighth Air Force Boeing B-17 Flying Fortress unit, which flew strategic bombing missions from RAF Ridgewell.The group had the highest losses of all groups on first Schweinfurt–Regensburg mission on 17 August 1943.