Assaulting an Objective U.S. soldiers cross a road under the cover of smoke to assault an objective during a deliberate attack drill as part of exercise Immediate Response 16 at the armed forces training area in Slunj, Croatia, Sept. 14, 2016. Army photo by Staff Sgt. Opal Vaughn SHARE IMAGE: Download Image: Full Size (1.69 MB) Tags: Soldiers, Army, training Photo By: Staff Sgt. Opal Vaughn VIRIN: 160914-A-MM054-199A.JPG Photo Gallery