Cloud cover rolls in behind Space Shuttle Endeavour as the Rotating Service Structure begins rolling back into its protective position on Launch Pad 39A. The launch of Space Shuttle Endeavour on mission STS-99 was delayed when NASA managers decided to replace the Enhanced Master Events Controller that became suspect during the Jan. 31 launch countdown. The next scheduled launch is NET Feb. 9. (Photo Release Date: 02/01/2000 )

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STS-99 KSC Photo IndexNext Image KSC-00PP-0144

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