English subtitles for clip: File:1960-07-21 First Polaris Firing By Submerged U-Boat.ogv

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Polaris missiles arrive at Cape Canaveral for their

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first test firings from the nuclear submarine

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expressly designed for the job: USS George Washington.

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The tests are a stirring climax to a four-year programme

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to mate the nuclear submarine and the intermediate range

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ballistic missile.

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Now the service missile hatches are cleared and ready!

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They'll house the 28-foot two-stage rockets until

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the moment when mighty gusts of compressed air

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will shoot the Polaris from under the sea to the surface

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and ignition.

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Every stage of the loading and the cruise to the

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firing area about 30 miles off Cape Canaveral is

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under detailed scrutiny of a battery of test instruments.

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The George Washington goes down some 50 to 60 feet

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below the surface and the time for launching is at hand!

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[sound of rocket launching]

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The first missile, after a startling off-angle emergence,

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corrects itself and soars downrange, 1,100 miles to its target

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with remarkable accuracy.

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A few hours later, a second Polaris is fired.

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Another successful shot, an achievement of major strategic

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importance for America's defense!