180509-N-ZI635-0024 GULFPORT, Miss. (May 9, 2018) Seabees assigned to Naval Mobile Construction Battalion (NMCB) 133 don chemical, biological, and radiological (CBR) suits during a CBR training drill at Naval Construction Battalion Center Gulfport. NMCB 133 is training to familiarize Seabees with CBR gear in preparation for an upcoming deployment readiness certification. (U.S. Navy photo by Mass Communication Specialist 2nd Class George M. Bell/Released)

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