Click the movie below to view a time-lapse video of SOFIA's third month of maintenance (September 2014) at the Lufthansa Technik facility in Hamburg, Germany. In September, Lufthansa Technik engineers continued inspection of the aircraft including maintenance on the engine pylons and re-installation of the displays in the on-board consoles, while staff from the University of Stuttgart's German SOFIA Institute continued maintenance on the telescope assembly. SOFIA is expected to return to the U.S. in December and resume science flights in January 2015.