PACIFIC OCEAN (July 29, 2020) A U.S. Marine with All-Domain Reconnaissance (ADR) Detachment, 15th Marine Expeditionary Unit (MEU) secures his helmet before launching a combat rubber raiding craft from the amphibious transport dock ship USS Somerset (LPD 25) during amphibious operations training to increase Navy-Marine Corps interoperability in the eastern Pacific. ADR Det. enables the 15th MEU to conduct ship-to-shore reconnaissance and surveillance on objectives ashore and conduct limited scale raids. (U.S. Marine Corps photo by Lance Cpl. Brendan Mullin)