Singapore Army soldiers with 3rd Battalion Singapore Guards, 7th Singapore Infantry Brigade observe U.S. Marines with Marine Rotational Force-Southeast Asia (MRF-SEA), I Marine Expeditionary Force, fire Singaporean Assault Rifle 21 service rifles on a 100-meter range during Exercise Valiant Mark 2022 at the Multi-Mission Range Complex on Pasir Laba Camp, Singapore, Dec. 2, 2022. Valiant Mark is an annual, bilateral training exercise designed to enhance interoperability, build mutual defense capabilities, and strengthen military-to-military relationships between the U.S. Marine Corps and Singapore Armed 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 experts exchanges, and advances security objectives shared with our Allies and Partners.