CELTIC SEA (April 14, 2021) Sailors assigned to the amphibious transport dock ship USS San Antonio (LPD 17) prepare a rigid-hull inflatable boat for small boat operations aboard the Harpers Ferry-class dock landing ship USS Carter Hall (LSD 50), April 14, 2021. Carter Hall is operating in the Celtic Sea with Amphibious Squadron 4 and the 24th Marine Expeditionary Unit (MEU) as part of the Iwo Jima Amphibious Ready Group. (U.S. Navy photo by Mass Communication Specialist Seaman Sawyer Connally)