LONG MARCH 7A LAUNCH FAILURE CLAIMS CHINSAT 4B SATELLITE
China Aerospace Science and Technology Corporation attempted to launch ChinaSat 4B, a geostationary communications satellite, aboard a Long March 7A rocket on August 10, 2026. The satellite was designed to expand broadcasting and data transmission services for China Satellite Communications (ChinaSat). As a geostationary spacecraft, ChinaSat 4B would have provided fixed coverage over a designated Earth location, supporting the operator's telecommunications infrastructure and service expansion objectives.
The launch took place at the Wenchang Space Launch Site in China's Hainan province, one of the country's primary orbital launch facilities. The Long March 7A, a medium-lift launch vehicle developed by China Aerospace Science and Technology Corporation, has been a key component of China's commercial and government space programs. The rocket lifted off as scheduled on the evening of August 10, 2026, Eastern Daylight Time.
The mission ended in failure less than 90 seconds after liftoff when the Long March 7A rocket experienced a catastrophic explosion. The vehicle's structural failure resulted in the complete loss of the ChinaSat 4B payload. Chinese state media confirmed the unsuccessful launch but provided limited technical details regarding the root cause of the anomaly. The incident marked a significant setback for China's geostationary satellite operations.