160508-N-NO181-127 SAN CLEMENTE ISLAND, Calif. (May 8, 2016) - Equipment Operator 1st Class Ryan Newman, assigned to Naval Mobile Construction Battalion (NMCB) 4, ties in leads to the explosive charges beneath the ground prior to the blast in the Seabee Quarry on San Clemente Island, Calif. NMCB 4 is one of the forward deployed pacific NMCBs ready to support major combat operations, humanitarian assistance and disaster relief and to provide general engineering and civil support to and joint operational forces. ( Navy photo by Construction Mechanic 2nd Class Shawn Berry/Released)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: 1, 30th, 4, assistance, battalion, buildup, ccad, combat, construction, deployment, disaster, engineering, force, group, hummanitarian, mobile, naval, ncf, ncg, ncr, nmcb, ocean, pacific, regiment, region, relief, seabees