China's Long March-6C carrier rocket made its debut flight on Tuesday, placing four satellites in space, according to Xinhua. The rocket blasted off at 11:21 a.m. (Beijing Time) from the Taiyuan Satellite Launch Center in north China's Shanxi Province, sending Neptune-01 and Smart-1C, as well as a wide-band optical satellite and a high-resolution video satellite into planned orbits. It was the 520th flight mission of the Long March series rockets.