U.S. Army Sgt. 1st Class Chad Clark, the noncommissioned

U.S. Army Sgt. 1st Class Chad Clark, the noncommissioned officer in charge of Security Forces Advisory and Assistance Team Phalanx, 1st Brigade Combat Team, 101st Airborne Division, teach Afghan National Army soldiers from 4th Combat Support Kandak, 2nd Brigade, 201st Corp, on weapons handling, March 12, 2013, at Combat Outpost Fortress, Kunar province, Afghanistan.