U.S. Army Spc. Charles R. Reiff uses the optic lens on his MK-14 Enhanced Battle Rifle to scan his sector while providing security on Combat Outpost Kaligu in Afghanistan, Sept. 11, 2013. Reiff, an indirect fire infantryman, is assigned to the 101st Airborne Division's Company D, 1st Battalion, 506th Infantry Regiment, 4th Brigade Combat Team. U.S. Army Spc. Charles R. Reiff uses the optic lens on his MK-14 Enhanced Battle Rifle to scan his sector while providing security on Combat Outpost Kaligu in Afghanistan, Sept. 11, 2013. Reiff, an indirect fire infantryman, is assigned to the 101st Airborne Division's Company D, 1st Battalion, 506th Infantry Regiment, 4th Brigade Combat Team. SHARE: Download: Full Size (1.9 MB) Tags: Photo Essays Credit: VIRIN: 349099-T-OFV01-944.jpg Photo Gallery