EntityQ544226· pop 19· linked from 1,581 articleshedgehogSign in to save1940s shipboard multi-barrel anti-submarine mortar weapon of British originConnectionsdepth chargeEntityWorld War IIConceptsonarEntitymortarEntitySoviet UnionConceptCold WarEntityInternational Standard Book NumberEntitycircleEntityCommonwealth of NationsEntityellipseEntityhedgehogEntityinfantryEntityspeed of soundEntityUnited States NavyEntitytorpedoEntitywarshipEntityTNTEntityPacific WarEntityNormandy landingsEntityRoyal NavyEntityCategoriesAnti-submarine mortarsBritish inventionsExplosive weaponsNaval weapons of the United KingdomNaval weapons of the United StatesWeapons and ammunition introduced in 1942World War II mortarsWorld War II naval weaponsWorld War II naval weapons of the United Kingdom