Sailors from Construction Dive Detachment Alpha, part of Underwater Construction Team (UCT) 2 out of Port Hueneme, Calif., release concrete into a pile jacket during an annual maintenance and repair procedure at the Sierra piers on Joint Base Pearl Harbor-Hickam. The Underwater Construction Team provides a capability for construction, inspection, repair, and maintenance of ocean facilities in support of Naval and Marine Corps operations. (U.S. Navy Photo by Mass Communication Specialist 3rd Class Johans Chavarro/Released)
Petty Officer 3rd Class Johans Chavarro
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