A combat arms instructor provides feedback to a participant in the M4 rifle qualification course at the 99th Security Forces Squadron Combat Arms Training and Maintenance firing range on Nellis Air Force Base, Nev., Aug. 18, 2015. To qualify for marksmanship, Airmen needed to hit 17 of 24 targets and to achieve expert, needed to hit 22 of 24. (U.S. Air Force photo by Airman 1st Class Jake Carter)