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New York University government professor Paul Light said: "My general caution is be careful about what you give away. It's awful expensive to get it back." But there should be a lot of interest in giving astronauts the ride if the price is right, Gedmark said. The leading contenders -- most are mum at this point -- to build private spaceships include established aerospace giants, such as Boeing Co. of Chicago and Lockheed Martin of Bethesda, Md., which built most of America's rockets and capsules. Boeing and Lockheed Martin have existing rocket families in Delta and Atlas, which launch commercial and government satellites regularly and reliably, but for the moment aren't rated by the government to be safe enough for humans. That may change. But it's the newer space guard that brings some excitement to the field. PayPal founder Elon Musk may be ahead of most. His SpaceX already has a Falcon rocket and Dragon capsule. Other companies being mentioned include Orbital Sciences of Dulles, Va., Bigelow Aerospace of Las Vegas and Sierra Nevada Corp. of Sparks, Nev.
In the 1980s, Tiffany Montague grew up wanting to get into space and figured she had to work for the government to do that. She joined the Air Force and was a high-altitude pilot. But now she works for Google, running a $30 million prize to encourage private companies to build a rover that can run around the moon. "We're broadly interested in opening up space to everyone," Montague said in a phone interview Friday. She said Google is "supportive of commercial spaceflight, we're enthusiasts. But we're not space entrepreneurs
-- at least not yet. Who knows what we might do in the future." ___ On the Net: NASA: http://www.nasa.gov/ Commercial Spaceflight Federation: http://www.commercialspaceflight.org/ Bigelow Aerospace: http://www.bigelowaerospace.com/ Aerospace Safety Advisory Panel: http://www.hq.nasa.gov/office/oer/asap/index.html X Prize Foundation: http://www.xprize.org/ Google Lunar X Prize: http://www.googlelunarxprize.org/ SpaceX: http://www.spacex.com/
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