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160318-N-KK081-312 SAN DIEGO (MARCH 18, 2016) – Cmdr. Casey Plew speaks to the audience before passing the command to Cmdr. Jessica O’Brien. O’Brien, previously the executive officer of Beachmaster Unit (BMU) 1, became that 34th commanding officer of BMU 1. ( Navy photo by Mass Communication Specialist 2nd Class Eric Chan/Released.)
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