The German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) is located at six sites in North Rhine-Westphalia. At its headquarters in Cologne as well as in Aachen, Bonn, Jülich, Sankt Augustin and Rheinbach, research is conducted in the fields of aeronautics, space, energy, transport, security and digitalisation. DLR covers the entire spectrum from fundamental research to industrial readiness and is involved in a large number of national and international collaborations.