ChangZheng 3

The ChangZheng 3, CZ-3 or Long March 3 in English, is a liquid propellant three-stage 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. The CZ-3 launcher was designed in the late 1970s and early 1980s specifically for putting payloads into Geostationary Earth Orbit (GEO). The launch vehicle based on the core stage of the ChangZheng 2 rocket plus a third stage is available in four variants: CZ-3, CZ-3A, CZ-3B and CZ-3C. The ChangZheng 2, 3 and 4 space launch vehicles are scheduled for replacement by the heavier ChangZheng 5 after 2014. The CZ-3 was first launched in January 1984 and the third stage failed with the first successful launch in April 1984 and the final launch in 2000. It was capable of delivering a 1,400 kg payload into GTO. The CZ-3A development extended from the late 1980s to early 1990s with the first launched performed in February 1994. The rocket is able to place a 2,600 kg payload into GTO thanks to a wider third stage and increased fuel load. Basically, the CZ-3B is a CZ-2A rocket with four strap-on boosters to deliver domestic and international communication satellites into orbit. Its GTO payload is 5,100 kg and the first successful launch was carried out in August 1997.

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