ATLANTIC OCEAN (March 17, 2021) Landing Craft, Air Cushion (LCAC) 5, right, and Landing Craft, Air Cushion (LCAC) 28, both assigned to Assault Craft Unit (ACU) 4, drive towards the amphibious transport dock ship USS San Antonio (LPD 17) during a training evolution, March 17, 2021. San Antonio is conducting training with the 24th Marine Expedition Unit as part of the Iwo Jima Amphibious Ready Group. (U.S. Navy photo by Mass Communication Specialist Seaman Jacob M. Turrigiano)