U.S. Navy Diver 3rd Class Ryan Doherty, assigned to Mobile Diving Salvage Unit (MDSU) 1, enters the water for an underwater pier survey with divers from Underwater Construction Team (UCT) 2 in Apra Harbor, Guam, Dec 14, 2017. 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 Communication Specialist 1st Class Arthurgwain L. Marquez)