Sink or swim
U.S. Air Force Airman 1st Class Matthew Duff, 4th Civil Engineer Squadron Explosives Ordnance Disposal (EOD) apprentice, discusses boat-building strategies with Senior Airman Justin Beasley, 4th CES EOD craftsman, as they duct tape cardboard during a Build-a-Boat competition at Seymour Johnson Air Force Base, N.C., Aug. 14, 2013. After an hour of building, teams raced the length of the base pool competing for overall winner, best dressed and best chant. (U.S. Air Force photo by Senior Airman Aubrey White/Released)