sentences:  Although the 97th Air Mobility Wing remained the host at Altus, it became an AETC wing.The two operational air refueling squadrons at Altus, the 11th and 306th Air Refueling Squadrons, and their Boeing KC-135R Stratotankers were transferred to the reactivated 457th Operations Group.The 457th's squadrons deployed personnel and aircraft to Aviano Air Base, Italy, and Incirlik Air Base, Turkey to support Operation Northern and Operation Southern Watch duties as the lead tanker unit.