USS Tusk was an American Balao Class submarine of 1525 tons displacement launched in 1945 which saw action during the Second World War. USS Tusk was powered by diesel engines providing a top speed of 21 knots, carried a complement of 75 and was armed with one 4-inch gun, two 20 mm Oerlikon anti-aircraft guns; six 21 inch bow torpedo tubes and four 21 inch sterntorpedo tubes. Research Tusk