High Quality Content by WIKIPEDIA articles! USS Ainsworth (DE/FF-1090) was a Knox-class frigate named for Vice Admiral Walden L. Ainsworth (1886–1960). Ainsworth (DE-1090) was laid down at Westwego, La., on 11 June 1971 by Avondale Shipyards, Inc.; launched on 15 April 1972; sponsored by Mrs. Katherine Gardner Ainsworth, the widow of Vice Admiral Ainsworth; and commissioned on 31 March 1973 at the Norfolk Naval Shipyard, Portsmouth, Va., Lt. Comdr. Terrence E. Siple in command.