170202-N-UK333-0158 SAN DIEGO (Feb. 2, 2017) A Sailor assigned to Undersea Rescue Command (URC) clips a crane hook to a remotely operated vehicle prior to dive testing. URC is the Navy’s only submarine rescue-capable command and is always on call and ready to deploy around the world in the event of a submarine emergency. (U.S. Navy photo by Mass Communication Specialist 1st Class Ronald Gutridge/Released)