U.S. Air Force Tech. Sgt. Holly Guerra, assigned to the 307th Aircraft Maintenance Squadron, stows an air hose used to start engines on a B-52H Stratofortress on Mar. 22, 2013, Barksdale Air Force Base, La. In recognition of Women’s History Month, the Air Force Reserve Command’s 307th Bomb Wing and Barksdale’s 2nd Bomb Wing launched two B-52H Stratofortress bombers flown by two all-female aircrews made up from members of the Air Force Reserve Command’s 93rd and 343rd Bomb Squadrons and the 2nd Bomb Wing’s 11th, 20th and 96th Bomb Squadrons. (U.S. Air Force photo by Master Sgt. Greg Steele/Released)