Smoke Circles Amphibious assault vehicles fire smoke bombs as U.S. Marines and troops from South Korea, New Zealand and Australian conduct amphibious assault training at Doksukri Beach, South Korea, March 12, 2016, during Exercise Ssang Yong 16. Marine Corps photo by Sgt. Briauna Birl SHARE: Download: Full Size (0.66 MB) Credit: Sgt. Briauna Birl VIRIN: 160312-M-KR317-375J.JPG Photo Gallery