The present Volume 1 of the Yearbook 1995 contains papers presented at the German Aerospace Congress. In addition to the aerospace system presentations, it contains the technical presentations on aerodynamics (from subsonic to hypersonic flow), airbreathing engines, rocket engines, hypersonic and electric propulsion systems, intelligent systems, automation, measuring technique, and reentry technology. (CT)Available from TIB Hannover: ZS 4076(1995,1) / FIZ - Fachinformationszzentrum Karlsruhe / TIB - Technische InformationsbibliothekSIGLEDEGerman