In 1942, the Japanese fleet submarines performed well, knocking out or damaging many Allied warships. Ballistic missile submarines differ in purpose from attack submarines and cruise missile submarines. It currently maintains a fleet of four ballistic missile submarines equipped with Trident II missiles. Many classes of surface ships, submarines, and aircraft were armed with torpedoes. France has four Triomphant-class ballistic missile submarines. WOPR stages a massive Soviet first strike with hundreds of missiles, submarines, and bombers. France deploys four "Le" nuclear-powered ballistic missile submarines (SSBN) on the Atlantic Coast. The two /"Hai Lung" submarines and 12 P-3C Orion aircraft can also use the missile. Aircraft had the ability to undertake surprise air attacks against surfaced submarines. A total force of seven fleet submarines is planned. Also based there are nuclear-powered fleet submarines (SSNs). Corpsmen also served on thousands of ships and submarines. It operates a fleet of 68 submarines. Modern submarines and submersibles, as well as the oldest ones, usually have a single hull. None were successful in destroying enemy submarines.