SAN DIEGO (July 28, 2017) – Capt. Rochford, commander of Naval Beach Group 1, presents Cmdr. Jessica O’Brien with a meritorious service medal during Beachmaster Unit (BMU) 1’s change of command ceremony on Naval Amphibious Base, Coronado. Cmdr. Michael Merrill relieved O'Brien as the 34th commanding officer of BMU 1. ( Navy photo by Mass Communication Specialist 2nd Class Eric Chan)

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Keywords: 1, beachmaster, bmu, change, command, navy, nbg1, unit