Mass refuel
Twelve Air Force KC-135 Stratotankers, from the 909th Air Refueling Squadron, taxi onto the runway during Exercise Forceful Tiger on Kadena Air Base, Japan, April 1, 2015. During the aerial exercise, the Stratotankers delivered 800,000 pounds of fuel to approximately 50 aircraft. (U.S. Air Force photo/Staff Sgt. Marcus Morris)
