Joy Bretthauer, Glory Program Executive, left, Bryan Fafaul, Glory project manager, Michael Mischenko, Glory project scientist, center, Greg Kopp, University of Colorado, and Brian Cairns, instrument scientist, right, talk about the launch of the GLORY mission during a news conference at NASA Headquarters, Thursday, Jan. 20, 2011, in Washington. NASA's newest Earth-observing research mission is scheduled for launch form Vandenburg Air Force Base in California on Feb. 23. The mission will improve our understanding of how the sun and tiny atmosppheric particles called aerosols affect Earht's climate. Photo Credit: (NASA/Paul E. Alers)
