Launch of first commercial flight to International Space Station aborted at last second

The first flight of an unmanned commercial craft to the International Space Station has been delayed. Dragon, a capsule owned by SpaceX, was scheduled to depart at 4:55 a.m. EDT, but the mission was halted moments before liftoff.

https://twitter.com/#!/elakdawalla/status/203770951060561920

https://twitter.com/#!/elonmusk/status/203773618222678016

https://twitter.com/#!/NASA_Johnson/status/203772493683621888

A new mission is being planned for next week.

https://twitter.com/#!/newscientist/status/203772687653421056

https://twitter.com/#!/NASASocial/status/203802960449376257

https://twitter.com/#!/JeffHolton/status/203774985783877632

Shortly before the launch was aborted, SpaceX founder Elon Musk tweeted:

https://twitter.com/#!/elonmusk/status/203760858332016642

Space nerds schooled other tweeps on the difference between a scrub and a failure:

https://twitter.com/#!/NASASpaceflight/status/203778193331732481

https://twitter.com/#!/twirlandswirl/status/203797570944897024

https://twitter.com/#!/serenetyhanley/status/203785661050912769

More reaction to the scrub:

https://twitter.com/#!/PortiaDaCosta/status/203779234827739136

https://twitter.com/#!/LaurenAlloyce/status/203776449805692928

https://twitter.com/#!/SleeperPService/status/203774757865390080

https://twitter.com/#!/mwilkinson3/status/203774310446403584

https://twitter.com/#!/Discovery_Space/status/203777498511716352

https://twitter.com/#!/susan175/status/203775153778343936