It is the Chinese government's most ambitious and expensive project ever undertaken, part of a secretive wing of the People's Liberation army. They call it Project 921-the manned space program of China. In a world exclusive CNN special, David McKenzie takes you inside Space City, reveals footage from inside China's space program, and sits down with three of China's most celebrated astronauts.

Originally released by CNN, 2015. Streaming video file encoded with permission for digital streaming by Infobase on March 28, 2019.

Convening at Space City (3:30); --Space Mission: Prelaunch (3:50); -- International Influence (3:05); -- United States Exclusion (2:10); -- Astronaut Dispositions (3:58); -- Space Mission: Orbit (4:08); .