Polaris ballistic missiles

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:marine
gptkbp:countryOfOrigin	gptkb:United_States
gptkbp:decommissionedByUK	1996
gptkbp:developedBy	gptkb:United_States_Navy
gptkbp:diameter	1.37 m
gptkbp:enteredService	1961
gptkbp:firstTestMatch	1958
gptkbp:guidanceSystem	Inertial guidance
gptkbp:length	9.4 m
gptkbp:notableDeployment	gptkb:George_Washington-class_submarines gptkb:Resolution-class_submarines
gptkbp:numberOfStages	Two
gptkbp:platform	gptkb:marine
gptkbp:predecessor	None
gptkbp:propulsion	Solid-fuel
gptkbp:range	2,500 km
gptkbp:retired	1980s
gptkbp:successor	gptkb:Poseidon_missile
gptkbp:usedBy	gptkb:Royal_Navy gptkb:United_States_Navy
gptkbp:variant	gptkb:A-1 gptkb:A-2 A-3
gptkbp:warheadType	Nuclear
gptkbp:weight	13,000 kg
gptkbp:bfsParent	gptkb:USS_Lafayette_(SSBN-616) gptkb:USS_John_C._Calhoun gptkb:USS_Brien_McMahon_(SSBN-642)
gptkbp:bfsLayer	6
https://www.w3.org/2000/01/rdf-schema#label	Polaris ballistic missiles