Shuttle Launch Cancelled

NASA techs spoted a Hydrogen leak and scrub Space Shuttle launch from Florida. The potentially dangerous hydrogen gas leak happened during the fueling of space shuttle Endeavour on Saturday and forced NASA to postpone the launch by an estimated four days. This is almost identical to a leak that stalled another flight back in March 2009 and threatened to extend Endeavour's space station construction mission all the way into the summer. NASA halted the countdown shortly after midnight last night , less than seven hours before Endeavour was due to take off.

The seven astronauts had yet to suit up. Launch director Mike Leinbach said the leak, located at a vent line hookup on the fuel tank, was significant. Hydrogen gas is extremely volatile and can burn in large enough quantities, he noted.

He was quoted as saying "There's no way we could have continued," Leinbach said at a hastily called news conference. "It's a commodity you just don't mess with."

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