NASA Administrator Charles Bolden responds to a reporter's question during an overview briefing on NASA's fiscal year 2012 budget, Monday, Feb. 14, 2011 at NASA Headquarters in Washington. Photo Credit: (NASA/Bill Ingalls)
NASA Administrator Charles Bolden responds to a reporter's question during an overview briefing on NASA's fiscal year 2012 budget, Monday, Feb. 14, 2011 at NASA Headquarters in Washington. Photo Credit: (NASA/Bill Ingalls)