U.S. Marines assigned to the 3rd Assault Amphibian Battalion, 1st Marine Division, conduct waterborne training with an Amphibious Combat Vehicle (ACV) from shore to loading amphibious transport dock ship USS Anchorage (LPD 23) at Marine Corps Base Camp Pendleton, California, Feb. 12, 2022. The two-day waterborne training evolution focused on safety and transport capabilities for both the Marine Corps and Navy and is part of a larger training plan to refine tactics and doctrine for amphibious operations. (U.S. Marine Corps photo by Lance Cpl. Willow Marshall)