TROIA, Portugal (May 10, 2021) Information Systems Technician 2nd Class Phillip Vasterling, assigned to Beachmaster Unit (BMU) 2, holds perimeter security during a simulated beach raid exercise with the 24th Marine Expeditionary Unit (24th MEU) and the Portuguese Marine Corps, May 10, 2021. BMU-2 is attached to the Harpers Ferry-class dock landing ship USS Carter Hall (LSD 50). Carter Hall is operating in the Atlantic Ocean with Amphibious Squadron 4 and the 24th MEU as part of the Iwo Jima Amphibious Ready Group. (U.S. Navy photo by Mass Communication Specialist Seaman Sawyer Connally)