U.S. Air Force Staff Sgt. Michael Mason-Love, combat arms instructor assigned to the 633rd Security Forces Squadron, marks holes on a M-4 Carbine target at Langley Air Force Base, Va., March 8, 2016. Combat arms instructors mark where the shooters hit and keep score as the shooter moves through each portion of the qualification. (U.S. Air Force photo by Senior Airman Brittany E. N. Murphy)