The satellite of the TerraSAR-X mission, called TSX, launched on June 15th 2007 and its identically constructed twin satellite TDX, which is required by the mission TanDEM-X, launched on 21st of June 2010. Together they supply high-quality radar data in order to serve two mission goals: Scientific observation of the Earth and provision of remote sensing data for the commercial market (TerraSAR-X mission) and the generation of a global digital elevation model (DEM) of the Earth’s surface (TanDEM-X mission). On the occasion of the 10th anniversary of the mission, the focus will be on the development of the TerraSAR-X system during this period, including the extension of the ground segment, the evolution of the product portfolio, dedicated mis...