U.S. Navy Sailors with Beach Master Unit 1 and Marines

U.S. Navy Sailors with Beach Master Unit 1 and Marines with 5th Battalion, 1st Marine Division, load an MK37 High Mobility Artillery Rocket System (HIMARS) Resupply Vehicle on to a Landing Craft Air Cushion (LCAC) while aboard the Landing Platform Dock (LPD) 27 USS Portland during Exercise Steel Knight/Dawn Blitz (SK/DB) 21 off the shore of San Clemente Island, California, Dec. 5, 2020. Exercise SK/DB 21 ensures 1st Marine Division and Expeditionary Strike Group (ESG) - 3 are optimized for naval expeditionary warfare in contested spaces and purpose-built to facilitate sea denial and assured access in support of naval fleet. (U. S. Marine Corps photo by Sgt. Miguel A. Rosales)