Main articles: CBERS-1 and CBERS-2
The first satellite of the series, CBERS-1, was successfully launched on October 14, 1999[2][2] on a Long March 4B. It is sometimes also called ZY 1.[3] It remained functional until August 2003.[4]
The second satellite, CBERS-2, was successfully launched on October 21, 2003[5][6] by a Long March 4B rocket from China. It was retired from service in January 2009, after the launch of CBERS-2B