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GEORGE DILLER: From the Mission Director's Center at Cape Canaveral, this is Delta Launch Control at T-97 minutes,

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48 seconds and counting. We are now about to enter the final two hours of the countdown for the launch of

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NASA's STEREO spacecraft aboard a Boeing Delta II rocket. The launch remains targeted for 8:38 p.m. tonight.

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There is a 15-minute launch window that extends until 8:53 p.m. This afternoon at 12:50 p.m.,

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the gantry-like rotating service structure began to move away from the Delta II vehicle.

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It was fully retracted in the park position a half hour later at 1:20 p.m.

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The call to stations for the launch team to man their consoles was at 5 o'clock this afternoon.

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The operation to load RP-1, a highly refined kerosene fuel aboard the Delta first stage began approximately

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a half hour ago, and it was completed after loading 9,979 gallons of RP-1,

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the highly refined kerosene, into the Delta first stage.

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The next major activity will be to load liquid oxygen aboard the first stage, which will begin in about a half an hour.

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We're standing by for the launch weather forecast in preparation for loading the liquid oxygen into the first stage.

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The nominal start time for LOX loading is 6:48 p.m. That's less than 20 minutes from now.

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All of the activities that have been going on today have been without any issues or concerns,

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and we are expecting to have a successful spacecraft separation of

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STEREO from the Delta II vehicle 25 minutes after launch occurs at 8:38 p.m.

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Once again, we have a 15-minute launch opportunity tonight that closes at 8:53 p.m.

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