USS Mahan (DDG-42), named for Rear Admiral Alfred Thayer Mahan USN (1840–1914), was a Farragut-class guided missile frigate (destroyer leader) laid down as DLG-11 by the San Francisco Naval Shipyard on 31 July 1957, launched on 7 October 1959 by Mrs. H. P. Smith, wife of Vice Adm. Harold Page Smith, (CINCLANT at the time) 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.