Astronauts Mike Massimino, left, and Alvin Drew sign autographs at the NASA booth set up on the National Mall as part of the National Day of Service, Saturday, January 19, 2013, in Washington. NASA along with other federal agencies set up along the Mall as part of events surrounding the inauguration of President Barack Obama. Photo Credit: (NASA/Carla Cioffi)
Photographer NASA/Carla Cioffi
Date January 19, 2013