Gato Class Submarine: Laid down, 4 November 1940, at Mare Island Navy Yard, Vallejo, CA.; Launched, 26 August 1941; Commissioned USS Silversides (SS-236), 15 December 1941; Decommissioned, 17 April 1946; Laid up in the Atlantic Reserve Fleet; Placed in service, 15 October 1947 as a Naval Reserve training ship at Chicago. Thanks to www.navsource.org for the information. Price Includes Economy Shipping