171122-N-TW634-030 ATLANTIC OCEAN (Nov. 22, 2017) Navy

171122-N-TW634-030 ATLANTIC OCEAN (Nov. 22, 2017) Navy Diver 1st Class Shaun Phinney, left, and Navy Diver 1st Class Robert Klingaman, both assigned to Undersea Rescue Command (URC), shackle rescue wheel weights on board the Norwegian construction support vessel Skandi Patagonia. Undersea Rescue Command, the U.S. Navy's only submarine rescue unit, is mobilized to support the Argentine government's search and rescue efforts for the Argentine Navy diesel-electric submarine ARA San Juan. (U.S. Navy photo by Mass Communication Specialist 2nd Class Derek Harkins/Released)