Question: 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?
Sentence (from "USS Dahlgren (DDG-43)"): Commissioned as DLG-12, "Dahlgren" was reclassified a guided missile destroyer on July 1, 1975 and given the new hull number DDG-43.
Relevant evidence: No