NASA's Chief Defends Commercial Spaceflight Agreements

NASA's Chief Defends Commercial Spaceflight Agreements
Washington DC (VOA) Apr 30, 2013 - NASA chief Charles Bolden found himself defending the U.S. space agency's practice of investing in commercial companies to ferry cargo - and one day crew - to the International Space Station. The grilling came less than a week after Orbital Science's successful rocket test flight and after several successful SpaceX cargo flights to the International Space Station. Senators on the appropria ... morehttp://www.space-travel.com/reports/NASAs_Chief_Defends_Commercial_Spaceflight_Agreements_999.html