China has launched three astronauts to replace the crew on the Chinese Tiangong space station. The Shenzhou 20 spaceship took off as planned atop China’s workhorse Long March 2F rocket at 5:17 p.m. local time (0917 GMT).

A Long March 2F rocket, topped with the Shenzhou 20 crew spacecraft, was rolled out to its launch pad at Jiuquan Satellite Launch Center on Wednesday (April 16), according to Chinese state media.