Master Sgt. Dale Ryan, 166th Air Refueling Squadron boom operator, refuels a B-1B Lancer from the 34th Bomb Squadron, Ellsworth Air Force Base, S.D., over the Pacific Ocean May 14, 2014. Flying in support of a Global Power Mission, two B-1 bombers flew more than 30 hours round trip, employing inert munitions on a training range near Guam before returning home. (U.S. Air Force photo by Senior Airman Katrina M. Brisbin/Released)