Elon Musk questions the use of Russian engines in Air Force rockets

SpaceX founder Elon Musk was at the Press Club on April 25, 2014 for a news conference about the Falcon 9 rocket which recently completed its mission and returned for a "soft" landing in the ocean off Cape Canaveral. This shows that SpaceX's rockets may be recoverable and reusable which would have major implications for the cost of space missions in the future.

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