171214-N-CW570-0138 SANTA RITA, Guam (Dec. 14, 2017) U.S. Navy Diver 3rd Class Ryan Doherty, assigned to Mobile Diving Salvage Unit (MDSU) 1, conducts an underwater pier survey using ultra sonic testing tools with divers from Underwater Construction Team (UCT) 2 in Apra Harbor, Guam. UCT-2 provides construction, inspection, maintenance, and repair of underwater and waterfront facilities in support of the Pacific Fleet. (U.S. Navy photo by Mass Communication Specialist 1st Class Arthurgwain L. Marquez/Released)