Miles O'Brien of PBS serves as master of ceremonies during a National Tribute to Sally Ride at the John F. Kennedy Center for the Performing Arts, Monday, May 20, 2013 in Washington. Photo Credit: (NASA/Bill Ingalls)
Miles O'Brien of PBS serves as master of ceremonies during a National Tribute to Sally Ride at the John F. Kennedy Center for the Performing Arts, Monday, May 20, 2013 in Washington. Photo Credit: (NASA/Bill Ingalls)