Mark 35 torpedo
The Mark 35 torpedo was the first of the United States Navy deep-diving anti-submarine torpedoes designed for surface launch. This electrically propelled 21-inch torpedo was 162 inches long, weighed, and carried a HBX warhead. This torpedo used one of the earliest active guidance systems and was introduced in 1949, and was classified as obsolete in the 1960s.
The Mark 35 torpedo was originally specified as the intended payload for the Grebe missile, before being replaced by the Mark 41 due to weight concerns.
Mark 41 torpedo
A simplified and lighter weight version of the Mark 35 was developed, specifically for air-launched use. This eliminated any equipment not needed for air-launching, with a total mass of. The warhead filler was reduced to a mass of.The nose also became distinctively flat-fronted.
This torpedo was used as the payload in some ASW missiles, the AUM-N-2 Petrel and the SUM-N-2 Grebe.