It fired the first US 16-inch shell of World War II, and the last 16-inch shell of the war overall. The battleship is now a museum where visitors can tour once top-secret areas. The USS Massachusetts ...

The USS Massachusetts fired America's first 16-inch shell of World War II. It also fired the last. In 1942, the 680-foot battleship fired the first US 16-inch projectile of the war in combat with ...