Hedgehog anti-submarine mortar

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:anti-submarine_weapon
gptkbp:countryOfOrigin	gptkb:United_Kingdom
gptkbp:developedBy	gptkb:Royal_Navy
gptkbp:fireModes	contact-fused projectiles
gptkbp:introducedIn	1942
gptkbp:nickname	Hedgehog
gptkbp:notableFor	increased kill probability over depth charges detonated only on contact first ahead-throwing anti-submarine weapon
gptkbp:notableProject	65 pounds
gptkbp:numberOfProjectilesPerSalvo	24
gptkbp:primaryUse	anti-submarine warfare
gptkbp:projectileExplosiveCharge	35 pounds
gptkbp:projectilePattern	circular
gptkbp:range	250 yards
gptkbp:replacedBy	gptkb:Squid_anti-submarine_mortar depth charge
gptkbp:type	gptkb:spigot_mortar
gptkbp:usedBy	gptkb:Free_French_Navy gptkb:Royal_Navy gptkb:United_States_Navy gptkb:Royal_Australian_Navy gptkb:Royal_Canadian_Navy
gptkbp:usedDuring	gptkb:World_War_II
gptkbp:usedOn	destroyers frigates corvettes escort vessels
gptkbp:bfsParent	gptkb:Squid_anti-submarine_mortar gptkb:USS_Reuben_James_(DE-153) gptkb:HMCS_Fredericton_(K245) gptkb:HMCS_St._Thomas_(K488) gptkb:USS_Hardison_(DE-789)
gptkbp:bfsLayer	7
https://www.w3.org/2000/01/rdf-schema#label	Hedgehog anti-submarine mortar