USS Skipjack (SSN-585) USS Skipjack (SSN-585) USS "Skipjack" (SSN-585), the lead ship of her class of nuclear-powered attack submarine, was the third ship of the United States Navy to be named after the Skipjack tuna. Her keel was laid down on 29 May 1956 by the Electric Boat Division of the General Dynamics Corporation in Groton, Connecticut. She was launched on 26 May 1958, sponsored by Helen Mahon, wife of Representative George H. Mahon from the 19th District of Texas, and commissioned on 15 April 1959 with Commander W. W. Behrens, Jr., in command. On the "Skipjack", there were many design changes that
Skipjack shad they are nearly extirpated, fish passage features such as ladders or lifts will be required on Mississippi River lock and dams." In Minnesota, the construction of a fish passage facility is being considered at U.S. Lock and Dam 3 near Red Wing and could help skipjack shad migration in the Mississippi River drainage. The Minnesota DNR Division of Ecological Services received a State Wildlife Grant to conduct surveys for rare fish species in the Mississippi River from the Twin Cities to the Iowa border. These surveys were conducted from 2006 to 2008, and while the skipjack shad was a targeted