Parachute infantrymen assigned to U.S. Army Alaska's 4th Brigade Combat Team (Airborne) 25th Infantry Division march to the start of the day land navigation course of Expert Infantryman Badge qualification on Joint Base Elmendorf-Richardson, Alaska, April 22, 2013. The Expert Infantryman Badge was approved by the Secretary of War Oct. 7, 1943, and is currently awarded to U.S. Army personnel who hold infantry or special forces military occupational specialties. (U.S. Air Force photo/Justin Connaher)