WASHINGTON - APRIL 5: Elon Musk, CEO of Space Exploration Technologies Corp, pauses while speaking during a news conference at the National Press Club April 5, 2011 in Washington, DC. Elon Musk, CEO ... more 
WASHINGTON - APRIL 5: Elon Musk, CEO of Space Exploration Technologies Corp, pauses while speaking during a news conference at the National Press Club April 5, 2011 in Washington, DC. Elon Musk, CEO of Space Exploration Technologies Corp (SpaceX) and Tesla Motors, held the news conference to announce SpaceX's Falcon Heavy rocket which could complete missions to the International Space Station and Moon and should be ready for use by the end of 2012. (Photo by Brendan Smialowski/Getty Images) less 
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Getty Images | Photo By Brendan Smialowski / Getty Images
Tue, Apr 5, 2011 1:04 PM EDT