A U.S. Army Soldier assigned to the 93rd Signal Brigade fires the M4 carbine during annual qualification at Joint Base Langley-Eustis, Virginia, Jan. 31, 2020. The M4 carbine is the standard issue weapon for the Army, which fires a 5.56 mm round and can be accurate up to 500 meters. (U.S. Air Force photo by Senior Airman Derek Seifert)