An Airman from the 909th Aircraft Maintenance Unit walks toward a KC-135 Stratotanker refueling aircraft during Exercise Forceful Tiger at Kadena Air Base, Japan, April 1, 2015. The Stratotankers allowed about 50 aircraft to stay airborne during the exercise for more than four hours.The KC-135 is assigned to the 909th Air Refueling Squadron. (U.S. Air Force photo by Staff Sgt. Maeson L. Elleman/Re..
