Naval history was made on March 8, 1862, when the first Confederate ironclad steamed down the Elizabeth River into Hampton Roads to attack the woodensided U.S. blockading fleet anchored there. Built on the hull of the U.S.S. Merrimac (which had been scuttled and burned when the Federals abandoned the Gosport Navy Yard in April, 1861), the new warship had been christened C.S.S. Virginia, but in common usage retained its original name. After...