Posted on 05/19/202105/20/2021 by 乱世加人Haiyang-2D satellite marine dynamic environmental monitoring system China sent the Haiyang-2D satellite to preset orbit via a Long March 4B carrier rocket from the Jiuquan Satellite Launch Center on Wed. It will establish a network between Haiyang-2B and -2C to provide an all-weather, all-time global marine dynamic environmental monitoring system