USS Mahan (DDG-42)
 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.