The Scorpène-class submarines are a class of diesel-electric attack submarines jointly developed by the French Direction des Constructions Navales (DCNS) and the Spanish company Navantia, and now by Naval Group. It features diesel propulsion and an additional air-independent propulsion (AIP). It is now marketed as the Scorpène 2000.
Whiskey-class submarines (known in the Soviet Union as Projects 613, 644, and 665) are a class of diesel-electric attack submarines that the Soviet Union built in the early Cold War period.
