gptkbp:instance_of
|
gptkb:rocket
|
gptkbp:allows
|
limited range compared to torpedoes
|
gptkbp:associated_with
|
anti-submarine tactics
|
gptkbp:caliber
|
7.2 inches
|
gptkbp:challenges
|
accuracy in rough seas
|
gptkbp:crew
|
gptkb:3
|
gptkbp:defeated
|
contact fuse
|
gptkbp:deployment
|
deck-mounted
|
gptkbp:design
|
multi-barrel launchers
|
gptkbp:designed_by
|
gptkb:starship
|
gptkbp:developer
|
1939-1942
|
gptkbp:features
|
multiple launch capability
|
gptkbp:fighting_style
|
gptkb:World_War_II
|
gptkbp:first_introduced
|
gptkb:Battle_of_the_Atlantic
|
gptkbp:has_ability
|
effective against U-boats
|
gptkbp:historical_context
|
developed during World War II
|
gptkbp:historical_event
|
evolved from earlier naval artillery.
|
gptkbp:historical_significance
|
first mortar designed for anti-submarine use
|
https://www.w3.org/2000/01/rdf-schema#label
|
Hedgehog anti-submarine mortar
|
gptkbp:influenced_by
|
earlier naval weapons
|
gptkbp:introduced
|
gptkb:1942
|
gptkbp:is_influenced_by
|
improvements in explosives
|
gptkbp:is_used_by
|
gptkb:United_Kingdom
|
gptkbp:launched
|
45 degrees
|
gptkbp:legacy
|
influenced future anti-submarine systems
|
gptkbp:length
|
gptkb:24
high explosive
projectile
|
gptkbp:military_branch
|
gptkb:battle
|
gptkbp:military_strategy
|
gptkb:significant
|
gptkbp:military_technology
|
limited
defensive measures against submarines
|
gptkbp:notable_event
|
convoy escorts
|
gptkbp:notable_users
|
gptkb:Royal_Canadian_Navy
|
gptkbp:operational_area
|
1942-1960s
|
gptkbp:origin
|
gptkb:United_Kingdom
|
gptkbp:range
|
300 yards
|
gptkbp:rate_of_fire
|
1 salvo per minute
|
gptkbp:reliability
|
high
|
gptkbp:replaced_by
|
gptkb:Squid_anti-submarine_mortar
|
gptkbp:retired
|
gptkb:starship
|
gptkbp:retirement_year
|
1960s
|
gptkbp:role
|
anti-submarine warfare
|
gptkbp:rounds
|
24 per salvo
|
gptkbp:speed
|
30 pounds
|
gptkbp:strategic_importance
|
protection of convoys
|
gptkbp:successor
|
Squid
ASW helicopters
|
gptkbp:tactics
|
depth charge attacks
|
gptkbp:targets
|
gptkb:submarine
|
gptkbp:technology
|
sonar systems
|
gptkbp:training
|
specialized training for crew
|
gptkbp:type
|
gptkb:item
|
gptkbp:weight
|
1,200 pounds
|
gptkbp:bfsParent
|
gptkb:HMS_Kelly
|
gptkbp:bfsLayer
|
5
|