The Regulus missile program was deactivated with the advent of Polaris in the Pacific.

Entity and relation annotations:
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type: entity
value: text: the advent of Polaris in the Pacific
labels: <Event>
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type: entity
value: text: the Pacific
labels: <Location>
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type: entity
value: text: The Regulus missile program
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labels: Event:Occurs_at:Location
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