First Sgt. Derrick M. Tremble, right, welcomes the

First Sgt. Derrick M. Tremble, right, welcomes the sergeant major of the Republic of Korea Marine Corps, Sgt. Maj. Jong Ik Jun, to Headquarters Regiment Sept. 20, 2018 at Camp Kinser, Okinawa, Japan. Jun observed Tactical Readiness and Training platoon at Headquarters Regiment to identify training capabilities from an infantrymen level for logistics Marines. Republic of Korea and United States Marine Corps forces are committed to the ironclad ROK-U.S. alliance and work together to further develop their partnership and combined capabilities. Tremble, a native of Silver Spring, Maryland, is the company first sergeant with Headquarters Regiment, 3rd Marine Logistics Group. (U.S. Marine Corps photo by Lance Cpl. Armando Elizalde)