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Delayed debut: Faulty rocket valves scrub NASA's first Orion launch
[i]NASA's first Orion spacecraft experienced its first launch scrub on Thursday (Dec. 4) due to an issue with closing valves inside the prototype capsule's massive ride to orbit.
United Launch Alliance flight controllers, who oversaw the countdown to NASA's and Lockheed Martin's Exploration Flight Test-1 (EFT-1), the first test flight of an Orion atop a Delta 4 Heavy rocket, called for at least a 24-hour delay to troubleshoot the propellant fill-and-drain valves inside two of the launch vehicle's three "common core" boosters.
"The team worked really hard and made a great attempt to get off today," Mark Geyer, the manager of NASA's Orion program, said in a press conference. "In the end, we made the right choice, given the data we had, to not fly today."[/i]
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