Slideshow: Doom Rocket Man Preps for Liftoff

John Carmack will demo his private spaceship for the first time at next week's inaugural gathering of the commercial space industry. By Michael Belfiore.
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The XCOR crew and EZ Rocket. left to right: Mike Massee, Jeff Greason, Dan DeLong, Mark Street, Doug Jones, Rick Serarfoss, Randall Clague, Mike Laughlin, Randy Baker, Gerry Mulryan, Aleta JacksonMike Massee and XCOR

See related story: Doom Rocket Man Preps for Liftoff

Armadillo Aerospace's X Prize Cup entry undergoes a test firing behind the Armadillo shop in Mesquite Texas.Courtesy of...

Armadillo Aerospace's X Prize Cup entry undergoes a test firing behind the Armadillo shop in Mesquite, Texas.Courtesy of John Carmack

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XCOR's EZ Rocket in flight.Mike Massee and XCOR

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XCOR Chief engineer Dan DeLong (purple shirt) and shop foreman Mike Laughlin (kneeling, white shirt) attach the aft cowling to the EZ Rocket before a test flight on September 21.Aleta Jackson and XCOR

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XCOR test pilot Rick Searfoss grins from the cockpit of EZ Rocket.Mike Massee and XCOR

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XCOR test pilot Rick Searfoss and the EZ-Rocket.Mike Massee and XCOR