LAMPUNG, Indonesia (Nov. 23, 2022) A U.S. Sailor with 1st Reconnaissance Battalion, Marine Rotational Force-Southeast Asia (MRF-SEA), I Marine Expeditionary Force, and Indonesian marines with 7th Infantry Battalion, 4th Marine Brigade, conduct simulated tactical combat casualty care during Keris Marine Exercise (MAREX) 23, on PiaBung Training Area, Lampung, Indonesia, Nov. 23, 2022. Keris MAREX is a bilateral exercise hosted by the Indonesian National Military between the Korps Marinir Republik Indonesia and U.S. Marine Corps focused on promoting military interoperability, maritime domain awareness, strengthening relationships, and expanding capabilities among participating forces. MRF-SEA is an operational model developed by Marine Corps Forces Pacific that postures scalable I Marine Expeditionary Forces west of the International Date Line, conducts a series of planned subject matter expert exchanges and enablers, and advances security objectives shared with our Allies and Partners. (U.S. Marine Corps photo by Sgt. Jailine L. AliceaSantiago)