BOULDER, CO - FEBRUARY 5: In this photo provided by NASA, Sierra Nevada's Dream Chaser spacecraft is seen as NASA Deputy Administrator Lori Garver talks during a press conference at the University of... more 
BOULDER, CO - FEBRUARY 5: In this photo provided by NASA, Sierra Nevada's Dream Chaser spacecraft is seen as NASA Deputy Administrator Lori Garver talks during a press conference at the University of Colorado at Boulder on February 5, 2011 in Boulder, Colorado. Sierra Nevada's Dream Chaser spacecraft is under development with support from NASA's Commercial Crew Development Program to provide crew transportation to and from low Earth orbit. NASA is helping private companies develop innovative technologies to ensure that the U.S. remains competitive in future space endeavors. (Photo by Bill Ingalls/NASA via Getty Images) less 
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Getty Images | Photo By Bill Ingalls/NASA / Getty Images
Tue, Feb 8, 2011 10:07 AM EST