Located in a shipyard to the southeast corner of San Francisco, the USS Mahan was a "Farragut"-class guided missile destroyer that was launched on what date?
USS Mahan (DDG-42) USS "Mahan" (DDG-42), was a "Farragut"-class guided missile destroyer in the United States Navy. She was named for Rear Admiral Alfred Thayer Mahan USN (1840–1914). The ship was Laid down as DLG-11 by the San Francisco Naval Shipyard on 31 July 1957 and launched on 7 October 1959. "Mahan" was sponsored by Mrs. H. P. Smith, wife of Vice Adm. Harold Page Smith, and commissioned on 25 December 1960. "Mahan" was reclassified as a guided missile destroyer on 30 June 1975 and designated DDG-42. USS "Mahan" was decommissioned on 15 June 1993 and stricken from the Naval Vessel Register on the same day.
USS Du Pont (DD-941) USS "Du Pont" (DD-941), named for Rear Admiral Samuel Francis Du Pont USN (1809–1866), was a "Forrest Sherman"-class destroyer built by the Bath Iron Works Corporation at Bath in Maine and launched by Mrs. H. B. Du Pont, great-great-grandniece of Rear Admiral Du Pont; and commissioned 1 July 1957, Commander W. J. Maddocks in command.