Marine Corps Cpl. Ryan Langenegger, 4th Engineer Equipment Maintenance Company from Omaha, Neb., listens to his instructor as he stands with fellow students attending the U.S. Marine Corps Corporals Leadership Course at Offutt Air Force Base, Neb., July 17, 2013. Marines from across the U.S. and several Airmen stationed at Offutt took part in the first Corporals Leadership Course hosted by the 55th Wing July 13-27. (U.S. Air Force photo by Josh Plueger)