A 3rd Infantry Division infantryman demonstrates the proper use of the M2 .50 cal machine gun during Expert Infantryman’s Badge testing on Fort Stewart, Ga., Sept. 28, 2014. EIB testing consists of Army Physical Fitness Test, a day and night land navigation course, tests on weapons mastery skills, three individual tactical test lanes, and complete a 12-mile foot march within three hours. (U.S. Army Photo by Sgt. Joshua Laidacker, 4th IBCT, 3rd ID, Public Affairs)