Marines with 2nd Battalion, 3rd Marines, 4th Marine Regiment, execute an amphibious assault simulation for Ssang Yong 14 at Dogue Beach, Pohang, South Korea, April 1, 2014. Exercise Ssang Yong is conducted annually in the ROK to enhance interoperability between U.S. and ROK forces by performing a full spectrum of amphibious operations while showcasing sea-based power projection in the Pacific. (U.S. Marine Corps Photo by Cpl. Sara A. Medina/Released)