NASA's modified Boeing 747SP SOFIA airborne observatory taxis along the runway at Waco, Texas after completing its first checkout flight on April 26, 2007.
NASA’s modified Boeing 747SP SOFIA airborne observatory taxis along the runway at Waco, Texas after completing its first checkout flight on April 26, 2007.April 26, 2007
NASA Photo / Tony Landis
ED07-0078-100