The Long March 2F is a Chinese orbital carrier rocket, part of the Long March 2 rocket family. Designed to launch the crewed Shenzhou spacecraft, the Long March 2F is a human-rated two-stage version of the Long March 2E rocket, which in turn was based on the Long March 2C launch vehicle. It is launched from complex SLS at the Jiuquan Satellite Launch Center. The Long March 2F/G version includes longer boosters for increased lift capability, among other improvements.