U.S. Navy Construction Mechanic 2nd Class Andersen Gardner and U.S. Navy Builder 2nd Class Aaron Brown, both assigned to Underwater Construction Team (UCT) 2, conduct maintenance on a KM-37 diving helmets during an underwater pile removal operation at Commander, Fleet Activities Sasebo (CFAS), Jan. 11, 2018. UCT-2 provides construction, inspection, maintenance, and repair of underwater and waterfront facilities in support of the Pacific Fleet. (U.S. Navy Combat Camera photo by Mass Communications Specialist 1st Class Arthurgwain L. Marquez)