An Afghan National Police officer identifies parts of an M16A2 assault rifle during an M16 class at Bost Airport in Lashkar Gah, Afghanistan, Aug. 15, 2017. The Afghan National Police received new M16A2s, replacing their AK-47s, and learned the basics of identifying parts, weapons maintenance and how to conduct a functions check. Marine Corps photo by Sgt. Justin T. Updegraff