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[b]GRAIL set for Saturday moonshot[/b]
NASA's twin GRAIL spacecraft are scheduled to begin their mission to the moon by lifting off today (Sept. 10) from Cape Canaveral Air Force Station's Launch Complex 17B atop a United Launch Alliance Delta II heavy rocket.
There are two instantaneous launch opportunities at 8:29:45 a.m. EDT (12:29:45 GMT) and 9:08:52 a.m. EDT (13:08:52 GMT). The forecast shows a 60 percent chance of favorable weather conditions at liftoff time, with the primary concern being thick clouds and a chance for isolated showers.
Friday the launch team concluded its review of propulsion system data from Thursday's Delta II detanking operations and confirmed there are no issues with the rocket. Unacceptably high upper level winds on Thursday morning scrubbed the first launch attempt for the mission.
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