The Mark 54 is a lightweight torpedo used by the United States Navy and other allied forces. It is designed for anti-submarine warfare and can be launched from various platforms, including submarines, surface ships, and aircraft. The torpedo features advanced guidance systems, allowing it to effectively track and engage underwater targets. This torpedo is part of the Mark series of torpedoes, which have been developed over several decades. The Mark 54 combines the capabilities of earlier models, such as the Mark 46, with modern technology to enhance its performance and reliability in combat situations.