WEBVTT
	
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George Diller/GOES-O Launch Commentator:  
This is Delta Launch Control at T-115 
minutes, 47 seconds and counting.

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The countdown for the launch of the GOES-O 
weather satellite for NASA and NOAA is now 
in its final phase this afternoon.

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Right now, we're in the middle of fueling the   
second stage with liquid hydrogen and liquid 
oxygen.

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First-stage fueling operations are complete.

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Our fueling should be complete in about 45 
minutes, at 4:45 this afternoon.

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And that will finish the loading of the 
rocket when we complete the second stage, 
or the upper stage.

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Activities at Launch Complex 37 began early 
this morning when the mobile service tower,

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or the gantry, was pulled away from the 
Delta IV rocket.

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That procedure was kicked off at about 
6:14 a.m. and finished shortly after 7:30 
this morning.

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The launch team manned their stations for   
the terminal countdown at about 12:15 this

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afternoon at the Delta Operations Center and 
Mission Director's Center

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in preparation for the start of loading the 
liquid hydrogen and liquid oxygen propellants 
aboard the rocket.

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Fueling began with the liquid oxygen into 
the first stage at 1:34 p.m. and was 
finished at 2:32 p.m.

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And then the liquid-hydrogen fueling began at 
2:04 p.m. and was finished at 2:50 p.m. on 
the first stage, or core booster stage.

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Loading of the upper stage then began with 
the liquid oxygen at 2:45 p.m., followed 
by the start of liquid hydrogen

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30 minutes later at 3:15 p.m.  -- and that's 
what we'll be wrapping up here in another 
45 minutes or so.

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Upcoming in the launch countdown, some of 
the activities we'll also hear at that point,

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will be the test of the range safety systems 
aboard the rocket,

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and later we'll hear and see the gimbal slew   
checks -- these are the steering checks of

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the main engines aboard each of the two 
stages of the Delta IV.

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At T-113 minutes, 30 seconds and counting, 
this is Delta Launch Control.