Long March-3C Launches Shiyan-29 into Orbit

Описание: On 5 September 2025, China launched the Shiyan-29 test satellite aboard a Long March-3C/E rocket with the Yuanzheng-1 upper stage from Xichang, placing it into geostationary transfer orbit to begin space environment and technology experiments. This marked the 592nd mission of the Long March rocket series.