Yaogan 3

The Yaogan 3 (Remote Sensing Satellite 3) government remote sensing satellite likely also used as a military reconnaissance satellite. It is China's first space-based synthetic aperture radar (SAR) system. The military designation of the satellite is Jian Bing-5 (JB-5). The whole development project was funded by the PLA. The satellite was built by the Shanghai SAST group, which also builds the Feng Yun weather satellites.