torpedo boat
fast attack craft armed primarily with torpedoes
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Painting of a French Navy torpedo boat Decommissioned P 4-class torpedo boat of the Bangladesh Navy. Preserved at the Bangabandhu Military Museum.
A torpedo boat is a relatively small and fast naval ship designed to carry torpedoes into battle. The first designs were steam-powered craft dedicated to ramming enemy ships with explosive spar torpedoes. Later evolutions launched variants of self-propelled Whitehead torpedoes.