The main control hall of the Beijing Aerospace Flight Control Center was shrouded in the unique silence of late at night. On the huge curved screen, the trajectories of more than a dozen satellites were intertwined into a quiet star map, with data streams scrolling silently at the edges. Zhao Zhigang rubbed his sore eyes and drank the last bit of strong tea from the thermos cup down his throat. As the deputy director on duty, he has long been accustomed to this kind of silent night with the stars. There was only the low hum of the server and the occasional typing of the keyboard in the air, as regular as a heartbeat.
