USS Flier (SS-250), a Gato-class submarine, was the only ship of the United States Navy to be named for the flier, a round sunfish widely known in the United States. Her keel was laid down 30 October 1942 by Electric Boat Company of Groton, Connecticut. She was launched on 11 July 1943 (sponsored by Mrs. A. S. Pierce), and commissioned on 18 October 1943 with Lieutenant Commander John D. Crowley in command.