Front-row seats at the Discovery welcome ceremony April 19 at the Udvar-Hazy Center are reserved for astronauts who served on the space shuttle. (Photo by John Gibbons)
Front-row seats at the Discovery welcome ceremony April 19 at the Udvar-Hazy Center are reserved for astronauts who served on the space shuttle. (Photo by John Gibbons)
Front-row seats at the Discovery welcome ceremony April 19 at the Udvar-Hazy Center are reserved for astronauts who served on the space shuttle. (Photo by John Gibbons)