Shaw Air Expo
U.S. Air Force Staff Sgt. Alexander Nastas, 20th Security Forces Squadron combat arms specialist, shows Timothy Lucas, of Concord N.C., an M249 light machine gun during the Shaw Air Expo at Shaw Air Force Base, S.C., May 5, 2012. The Shaw Expo features many different displays and equipment used by the military to include different types of weapons and vehicles currently in use by deployed service members. The Shaw Air Expo will be held both May 5 and 6 will feature over 28 static displays and 19 performers. (U.S. Air Force photo by Senior Airman Amber E. N. Jacobs/Released)