 The new building contained a cafeteria, barber shop, dispatch counter, weather office, and a secure command center.Meanwhile, the 3d Tactical Fighter Wing (which had previously been at Bien Hoa Air Base, Vietnam) moved to Clark Air Base on 16 September 1974 and became the base's host unit, replacing the 405th Tactical Fighter Wing.The 3d Tactical Fighter Wing had inherited the lineage and honors of the 3d Bomb Group, formed in July 1919, when that unit was inactivated.