U.S. Marines assault Hwajinri beach. U.S. Marines with the 31st Marine Expeditionary Unit, III Marine Expeditionary Force assault Hwajinri beach with amphibious assault vehicles and helicopters in Pohang, Korea, on Nov. 6, 2008. The exercise is part of the Korean Incremental Training Program 2009. SHARE IMAGE: Download Image: Full Size (0.03 MB) Photo By: VIRIN: 726377-G-YBS32-549.jpg Photo Gallery