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 was much more abundant in the Upper Mississippi River basin before it was impounded. Currently, the skipjack shad is most abundant in the Upper Mississippi River below the mouth of the Ohio River. They are known as an "early-run" species as they migrate to spawn in the early spring. The skipjack shad is restricted to the Gulf of Mexico and its drainage, in the United States. The Gulf of Mexico drainage includes the ACF (Apalachicola/Chattahoochee/Flint River) basin, the Mississippi basin, and the Rio Grande basin. Records indicate that this species was more abundant in the upper Mississippi River before it