U.S. Army soldiers perform sit-ups as part of a strength

U.S. Army soldiers perform sit-ups as part of a strength competition while U.S. Army Sgt. Ryan Wilkins, the noncommisioned officer in-charge of retro-sort operations, attached to Headquarters and Headquarters Company, 427th Brigade Support Battalion, 42nd Infantry Division, New York Army National Guard, counts the repetitions at Bagram Air Field, Dec. 13, 2012. The competition was part of an event to commemorate the 376th birthday of the National Guard. (U.S. Army photo by Sgt. Christopher Bonebrake, 115th Mobile Public Affairs Detachment)