Illustration of Sagitta. Chair for Aircraft Design, Technical University of Munich. (Image: Chair for Lightweight Structures / TUM). Image is illustrating the press release: "Unmanned flying wing successfully tested"; 16.08.2017; https://www.tum.de/nc/en/about-tum/news/press-releases/detail/article/34144/, Free for use in reporting on TU München with the copyright noted