171121-N-TY130-016 COMODORO RIVADAVIA, Argentina (Nov. 20, 2017) The Norwegian construction support vessel Skandi Patagonia gets underway with Argentine officials and Sailors and equipment assigned to Undersea Rescue Command (URC), heading for the search area of the submarine A.R.A. San Juan (S 42). URC is the U.S. Navy's only submarine rescue unit, mobilized to support the Argentine government's search and rescue efforts for the Argentine Navy diesel-electric submarine A.R.A. San Juan (S 42). (U.S. Navy photo by Lt. Karl Schonberg/Released)