ATLANTIC OCEAN (March 11, 2021) The Arleigh Burke-class guided-missile destroyer USS The Sullivans (DDG 68) steams in formation with the Harpers Ferry-class dock landing ship USS Carter Hall (LSD 50), not pictured, as small craft act as hostile contacts during a simulated strait transit, March 11, 2021. Carter Hall is conducting training with Amphibious Squadron 4 and the 24th Marine Expeditionary Unit (24th MEU) as part of the Iwo Jima Amphibious Ready Group. (U.S. Navy photo by Mass Communication Specialist Seaman Sawyer Connally)