U.S. Air Force Capt. Benjamin Visser, a pilot with the 2nd Bomb Wing at Barksdale Air Force Base, La., adjusts the power on the eight engines of his B-52 Stratofortress aircraft while flying a mission during exercise Cope North 2013 near Andersen Air Force Base, Guam, Feb. 7, 2013.
Cope North is an annual air combat tactics, humanitarian assistance and disaster relief exercise designed to increase the readiness and interoperability of the U.S. Air Force, Japan Air Self-Defense Force and Royal Australian Air Force. (U.S. Air Force photo by Senior Airman Matthew Bruch/Released). Original public domain image from Flickr