An Afghan national army soldier walks with his M16A2 rifle while participating in an operation west of Gereshk district, Helmand province, Afghanistan, Sept. 11, 2014. An Afghan national army soldier walks with his M16A2 rifle while participating in an operation west of Gereshk district, Helmand province, Afghanistan, Sept. 11, 2014. SHARE: Download: Full Size (2.39 MB) Tags: Photo Essays Credit: VIRIN: 862320-A-KZP50-118.jpg Photo Gallery