U.S. Marine Col. Romin Dasmalchi, commanding officer

U.S. Marine Col. Romin Dasmalchi, commanding officer of 31st Marine Expeditionary Unit, presents a command coin to Lance Cpl. Sean K. Bailey from Golf Battery, Battalion Landing Team, 1st Battalion, 5th Marines, 31st MEU, at Sanseori, South Korea, during Exercise Ssang Yong 16, March 15, 2016. Ssang Yong is a biennial combined amphibious exercise conducted by U.S. forces with the Republic of Korea Navy and Marine Corps, Australian Army and Royal New Zealand Army forces in order to strengthen interoperability and working relationships across a wide range of military operations. The Marines and sailors of the 31st MEU are currently deployed to Korea as part of their spring deployment of the Asia-Pacific region. (U.S. Marine Corps Photo by Gunnery Sgt. Ismael Pena/Released)