NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA) was airborne for almost two hours during its first check flight at Waco, Texas on April 26, 2007.
SOFIAfirst flightStratospheric Observatory for Infrared AstronomyGerman-built 100-inch 2 5 meter diameter infrared telescope20 tonshighly-modified Boeing 747SP aircraftDLR Deutsches Zentrum fuer Luft- und Raumfahrt German AerospaceL-3 Communications Integrated SystemsUniversities Space Research AssociationUSRADeutsches SOFIA InstitutDSI