EntityQ650532· pop 10· linked from 70 articlesSpearfish torpedoSign in to savetype of Heavyweight torpedoConnectionsUnited KingdomCountryaluminiumEntityInternational Standard Book NumberEntitysubmarineEntitydigital object identifierEntitymicroprocessorEntitysonarEntitytorpedoEntityRoyal NavyEntitygas turbineEntityNorth AyrshireEntitySoviet NavyEntityBAE SystemsPublic companyanti-submarine warfareEntitypump-jetEntityAlfa-class submarineEntityMark 48 torpedoEntityproximity fuzeEntityMark 46EntityMarconi CompanyCompanyCategoriesBAE Systems weapons systemsCold War weapons of the United KingdomGeneral Electric CompanyNaval weapons of the United KingdomTorpedoes of the United KingdomWeapons and ammunition introduced in 1992