The Tianlian II-01 satellite is launched by a Long March-3B carrier rocket at the Xichang Satellite Launch Center in southwest China's Sichuan Province, on March 31, 2019. China sent the new data relay satellite into orbit from the Xichang Satellite Launch Center late Sunday night. The Tianlian II-01 satellite was launched at 11:51 p.m. Beijing Time by a Long March-3B carrier rocket. As the first satellite to constitute China's second-generation data relay satellite network, the Tianlian II-01 will provide data relay, measurement and control, transmission services for manned spacecraft, satellites, carrier rockets and other non-spacecraft users. (Xinhua/Guo Wenbin)