160429-N-TW634-108 SAN DIEGO (April 29, 2016) Legalman 1st Class Tabitha Caballero strikes a bell as Cmdr. Warren Branges, retired, narrates a “Tolling of the Boats” ceremony at the USS Roncador submarine memorial on Naval Base Point Loma. A bell was tolled 65 times for each U.S. submarine lost since 1915, including 52 lost during World War II alone. (U.S. Navy photo by Mass Communication Specialist 3rd Class Derek A. Harkins/Released)