U.S. Marines with Charlie Company, 3rd Assault Amphibian Battalion, 1st Marine Division, execute Amphibious Combat Vehicle Certifications aboard the USS SOMERSET off the coast at Marine Corps Base Camp Pendleton, California, as a part of Quarterly Amphibious Underway Readiness Training 25.4, Aug. 14, 2025. QUART is a joint training exercise, involving the integration of multiple units from I Marine Expeditionary Force and U.S. 3rd Fleet, designed to develop and sustain essential amphibious readiness skills for effective operations in maritime environments while reinforcing the Navy-Marine Corps partnership. (U.S. Marine Corps video by Lance Cpl. Alan Gomez)