Senior Airman Drew Nicholson, of the 451st Expeditionary Support Squadron Security Forces Flight, inspects an M240 machine gun mounted to a common remote operating weapons station at Kandahar Airfield, Afghanistan, Jan. 21, 2016. Security forces members at Kandahar Airfield are responsible for the security of more than 150 aircraft and $2.2 billion of resources. (U.S. Air Force photo/Tech. Sgt. Robert Cloys)