The C-59 wreck of La Paz, Baja California Sur, is actually the USS Diploma (AM221), an Admirable class-minesweeper which was awarded three battle stars for her service in the Pacific during World War Two
She was actively involved in mine-sweeping and escort activities from January through July 1945 in Okinawa, Guam, Saipan and the Japanese mainland. In 1962 she was sold to the Mexican navy and renamed the ARM DM-17 and than later in 1994 renamed ARM Cadete Francisco Márquez (C59). In 2004 she was sunk as an artificial reef here in La Paz, now laying on her Portside with a host of marine life
Facts about C59 Wreck - La Paz