Builder 2nd Class Christopher Dutra assigned to Naval Mobile Construction Battalion 1 (NMCB1) pours concrete to construct a helicopter site at Naval Base Guam March 7, 2017. NMCB1 provides expeditionary construction and engineering support to expeditionary bases and responds to humanitarian assistance disaster relief (HADR) requests. ( Navy Combat Camera photo by Chief Mass Communication Specialist Christopher Dallaglio)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

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