Assertion: trident's missile | /r/CapableOf | enter service
Facets:
value: in the early 1970s
type: TEMPORAL
value: in 1990
type: TEMPORAL
value: in december
type: TEMPORAL
value: with weapon systems upgrades
type: OTHER
value: to increase accuracy
type: PURPOSE
Source sentences:
text: The world's first operational nuclear-powered ballistic missile submarine (SSBN) was USS George Washington with 16 Polaris A-1 missiles, which entered service in December 1959 and conducted the first SSBN deterrent patrol November 1960 – January 1961.
text: In the early 1970s the Poseidon (C-3) missile entered service, and those 31 SSBNs were backfitted with it.
text: The American large SSBN was the Ohio class, also called the "Trident submarine", with the largest SSBN armament ever of 24 missiles, initially Trident I but built with much larger tubes for the Trident II (D-5) missile, which entered service in 1990.
text: The world's first operational nuclear-powered ballistic missile submarine (SSBN) was USS George Washington (SSBN-598) with 16 Polaris A-1 missiles, which entered service in December 1959 and conducted the first SSBN deterrent patrol November 1960 – January 1961.
text: In the early 1970s the Poseidon (C-3) missile entered service, and those 31 SSBNs were backfitted with it.
text: The American large SSBN was the Ohio class, also called the "Trident submarine", with the largest SSBN armament ever of 24 missiles, initially Trident I but built with much larger tubes for the Trident II (D-5) missile, which entered service in 1990.
text: The Minuteman-III missile entered service in 1970, with weapon systems upgrades included during the production run from 1970 to 1978 to increase accuracy and payload capacity.