Start your engines
A B-52H Stratofortress taxis down the taxi-way during a minimum-interval takeoff exercise on Minot Air Force Base, N.D., Aug. 15, 2014. The 5th Bomb Wing routinely conducts training operations and exercises to ensure its forces can perform their mission at any time. (U.S. Air Force photo/Senior Airman Brittany Y. Bateman)