Shuttle Discovery has launched on her first attempt – the third in a row for NASA – after an eventful countdown that threatened to scrub the launch.Earlier, managers cleared observed ice that had been spotted on shuttle Discovery’s External Tank (ET-120) in the final hours of the count. The ice was classed as a violation and went for evaluation by the Mission Management Team (MMT). NASA Satefy were classing the ice as “RED”, although DAT (Debris Anaylisis Team) then noted it was not going to be an issue for launch.
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