ATLANTIC OCEAN (March 17, 2021) Seaman Alexis Riosmartinez, assigned to the Harpers Ferry-class dock landing ship USS Carter Hall (LSD 50), stands a lookout watch during a replenishment-at-sea between the Henry J. Kaiser-class fleet replenishment oiler USNS Lenthall (T-AO 189), left, and the Arleigh Burke-class guided-missile destroyer USS The Sullivans (DDG 68), March 17, 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)