A World War II submarine returns to Pearl Harbor displaying a “broom,” signifying a clean sweep of enemy ships from the seas. Some 288 American submarines accounted for the sinking of nearly 5-million tons of merchant shipping, plus 276 warships including a battleship and eight carriers. The U.S. Navy lost 50 submarines in WWII action. Sculptor: Stanley Bleifeld. Sponsored by the U.S. Submarine Veterans of World War II.