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About: Mark 21 torpedo     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole100003553, within Data Space : dbpedia.org associated with source document(s)

Type: yago:WikicatUnmannedUnderwaterVehiclesyago:Artifact100021939yago:Conveyance103100490yago:Device103183080yago:Instrument103574816yago:Instrumentality103575240yago:Object100002684yago:PhysicalEntity100001930yago:Vehicle104524313yago:Weapon104565375yago:Whole100003553 New Facet based on Instances of this Class

The designation Mark 21 torpedo was applied by the United States Navy to two designs of acoustic homing aerial torpedo, both developed from the widely-used Mark 13 torpedo, but controlled by two different developers and taking two different approaches: * The Mark 21 Mod 0 torpedo was a torpedo developed in 1943 by Westinghouse, using electric propulsion * The Mark 21 Mod 2 torpedo was a torpedo developed in the late 1940s by Bell for use in the AUM-N-2 Petrel missile, using steam propulsion