Maj. Chris Weir, left, and Capt. Greg Lepper, 96th Bomb Squadron B-52H Stratofortress navigators, navigate a B-52 during a Green Flag-East training mission over Fort Polk, La., Aug. 21, 2013. GF-E is a realistic air-land integration combat training exercise meant to replicate deployed warfare conditions.

 

Image courtesy of the Department of Defense