Mark 27 Mod 4 torpedo

The Mark 27 torpedo was the first of the United States Navy 19-inch (48-cm) submarine-launched torpedoes. This electrically-propelled torpedo was 125 inches long and weighed 1174 pounds (534 kg). The torpedo employed a passive acoustic guidance system and was intended for both submarine and surface targets. Nicknamed "Cutie" by submarine crews, the Mark 27 entered service in 1943 as a defensive weapon. The torpedo was classified as obsolete in the 1960s.

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1946 — 1960  Wikidata
3000 produced, 
acoustic torpedo, 
acoustic torpedo, 

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Frameless

Type	Subtype	Date	Description	Notes	Source