ChangZheng 2

The Long March 2, ChangZheng 2 or CZ-2, is a space launch vehicle family developed by the China Academy of Launch Vehicle Technology (CALT) in support of the People's Republic of China (PRC) space program. Designed in the 1970s the launch vehicle family is intended to carry payloads to Low Earth Orbit (LEO) and Geostationary Transfer Orbit (GTO). So far, the Long March 2 space launch vehicle family consists of five versions (2, 2C, 2D, 2E and 2F) with two more in development (2G and 2H). The Long March 2F is the heaviest launch vehicle available in China. The Long March 2, 3 and 4 space launch vehicles are scheduled for replacement by the heavier Long March 5 after 2014. The basic CZ-2 was a two-stage, liquid-propellant launch vehicle developed in the 1970s based on the DF-5 intercontinental ballistic missile and intended to carry payloads of 1,400 kg into LEO. It was launched for the first time in November 1974 exploding. The first successful launch was carried out in November 1975. The CZ-2 rocket was replaced beginning in 1982 by the improved CZ-2C launch vehicle designed to carry a payload of 1,800 kg into LEO. The CZ-2D rocket was introduced in 1992 to put into LEO payloads of 3,700 kg. The CZ-2E was a three-stage launch vehicle intended to lift payloads of 3,500 kg into GTO. The first launch was carried out in July 1990 but the rocket failed several launches and was terminated in 1995.

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