John Grunsfeld, NASA Associate Administrator for the Science Mission Directorate, is seen during during an event unveiling a new exhibit featuring Hubble's Corrective Optics Space Telescope Axial Replacement (COSTAR) and the Wide Field and Planetary Camera 2 (WFPC2) on Wednesday, April 23, 2014 at the Smithsonian National Air and Space Museum in Washington, DC. Grunsfeld flew on three of space shuttle servicing missions to Hubble, including the fifth and final mission in 2009 which returned COSTAR and WFPC2 to Earth. Photo Credit: (NASA/Joel Kowsky)
Corrective Optics Space Telescope Axial Replacement COSTAR Hubble Space TelescopeWide Field and Planetary Camera 2 WFPC2 Smithsonian National Air and Space MuseumGen J R Jack DaileyDirector of the Smithsonian National Air and Space MuseumJohn GrunsfeldNASA Associate Administrator for the Science Mission Directorate