WEBVTT

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George Diller/Launch Commentator From the NASA Mission Director's Center at

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Vandenberg Air Force Base in California, this is Delta Launch

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Control at T-111 minutes, 46 seconds and counting.

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We are now about to enter the final two hours of the countdown for the launch of the

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NOAA-N Prime polar-orbiting weather 
satellite for NASA and the National Oceanic 
and Atmospheric Administration.

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Liftoff will be aboard a United Launch Alliance Delta II rocket from

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NASA's Space Launch Complex-2 at Vandenberg Air Force Base.

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This month is the 20th anniversary of the United Launch Alliance Delta II ?

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a commercial version of the original Delta rocket launched by NASA.

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The first Delta II launch was on Feb. 14, 1989 with a GPS navigation satellite for the Air Force.

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Tonight's launch is targeted for 2:22 a.m. Pacific time, this morning.

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The launch window is 10 minutes in duration, extending until 2:32 a.m. PST.

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