A U.S. soldier hands another soldier a round to be loaded before firing their 120mm mortars during a live-fire exercise on Forward Operating Base Lightning in Afghanistan's Paktia province, Jan. 17, 2014. A U.S. soldier hands another soldier a round to be loaded before firing their 120mm mortars during a live-fire exercise on Forward Operating Base Lightning in Afghanistan's Paktia province, Jan. 17, 2014. SHARE: Download: Full Size (3.81 MB) Tags: Photo Essays Credit: VIRIN: 268467-L-EBV94-321.jpg Photo Gallery