an Entity references as follows:
USS Halligan (DD-584) was a Fletcher-class destroyer of the United States Navy, named for Rear Admiral John Halligan, Jr. (1876–1934). Halligan was laid down 9 November 1942 by Boston Navy Yard, Boston, Massachusetts; launched 19 March 1943, sponsored by Mrs. John Halligan, widow of Admiral Halligan, and commissioned 19 August 1943.