sentences:  Airbus Defence and Space maintains a site outside Friedrichshafen in Immenstaad am Bodensee, which is considered today as the successor of the "Dornier Flugzeugwerke" company.The Dornier Museum is located at the Friedrichshafen Airport and displays restored Dornier aviation technology as well as modern space technology.Rolls-Royce Power Systems AG (MTU), the German engine manufacturing company owned by Rolls-Royce is also located in Friedrichshafen.