U.S. Army Pvt. Drake Mulinix, an Advanced Individual Training student assigned to B Company, 1st Battalion, 210th Aviation Regiment, repairs an air conditioning unit during training at Fort Eustis, Va., Jan. 30, 2013. B Co. trains two enlisted Military Occupational Specialties; 15R troops learn general maintenance, and 15Y students learn armament and electrical systems for the AH-64 Apache helicopter. (U.S. Air Force photo by Staff Sgt. Ashley Hawkins/Released)