Defenders compete in warrior challenge
354th Security Forces Squadron members perform a litter carry using a dummy in the SF warrior challenge during National Police Week May 17, 2011, Eielson Air Force Base, Alaska. The warrior challenge consisted of pushups, a 40-pound ruck march, a litter carry and Humvee pull. National Police Week is celebrated across the U.S. and abroad by Security Forces units to commemorate and honor those who serve as law enforcement officers. (U.S. Air Force photo/Staff Sgt. Christopher Boitz)