Warrior challenge accepted
U.S. Air Force Staff Sgt. Aaron Ryder, 7th Civil Engineer Squadron, performs sit-ups while Tech. Sgt. Albert Herrera, 7th CES, encourages him to push on June 20, 2012, during the Dyess Warrior Challenge at Dyess Air Force Base, Texas. The challenge consisted of teams and individual competitors who completed a variety of exercises while being timed. Teams of four completed squats, burpees and sit-ups together and ran two miles as a pack. Individual participants completed two 400-meter laps, sit-ups, push-ups, burpees and a water jug carry. (U.S. Air Force graphic by Airman 1st Class Damon Kasberg/Released)