The long-awaited first demonstration flight of a new commercial spacecraft -- the SpaceX Dragon capsule -- has been delayed to Thursday at the earliest because of a possible crack in an upper-stage rocket engine nozzle.
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First flight of the SpaceX Dragon capsule is delayed
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Strike causes delays
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Solar Impulse takes off on first intercontinental flight
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Astronauts take first spacewalk of mission
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Nasa launches world's tallest rocket
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Chinese satellite fails to enter orbit
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Boeing's new jumbo makes maiden flight
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Rocket malfunction causes explosion near Butte
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ACE Aviation delays special meeting
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Virgin Galactic makes first test flight
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Eamcet likely to be postponed
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Flight delays pile up as air controllers are forced to take days off because of budget cuts
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Hydrogen gas leak delays shuttle launch until July
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Survey work postponed
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Politics sometimes delay projects --
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NASA delays shuttle launch by at least a week
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Discovery to return to Earth Thursday