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medium-range road-mobile ballistic missile
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The Dong-Feng 21 DF-21 (NATO reporting name CSS-5) is a two-stage, solid-propellant, single-warhead medium-range ballistic missile (MRBM) developed by China Changfeng Mechanics and Electronics Technology Academy. The development of the DF-21 began in the late 1960s and was completed around 1985-86, but it was not deployed until 1991. The first test launch of the DF-21 missile took place in May 1985, followed by a second test launch using modified ground support system in May 1987. The missile entered operational service in the late 1980s. In the mid-1990s, 2nd Aerospace Academy also introduced the improved DF-21A (CSS-5 Mod 2) with increased range and accuracy. In September 2014, Saudi Arabia admits to purchase Chinese-made DF-21 ballistic missile. |
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- DF-21A: has improved accuracy with an estimated circular error probable (CEP) of 100~300m, with both GPS and a radar-based terminal guidance system in a redesigned nose. This version is reported to have a similar range of 1,770 km.
- DF-21B: is estimated to be the same physical size and shape of the DF-21A, but it is equipment with an enhanced terminal guidance system. The accuracy is believed to be 10 m CEP. - DF-21C: Its maximum range is believed to be about 1,700 kilometers (1,100 mi). The new GPS-based guidance system has reduced the missile’s CEP to 30~40m, enabling it for precision-strike missions - DF-21D: is an ant-ship ballistic missile. U.S. reports suggest a range a 1,450 to 1,550 km, but Chinese reports indicate a range of 2,700 km. Similar to the DF-21B, the warhead is likely maneuverable and may have an accuracy of 20 m CEP |
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