thumb|right|Dongfeng-31A after a military parade in 2015. thumb|right|Range of various Chinese missiles (2007); DF-31 range in green. The Dong Feng 31 (; NATO reporting name CSS-10) is a third-generation, long-range, road-mobile, intercontinental ballistic missile (ICBM). Developed by the People's Republic of China (PRC) and operated by the People's Liberation Army Rocket Force (PLARF), this three-stage, solid-fuel missile in the Dongfeng missile series is designed to carry a single 425-kiloton thermonuclear weapon. It is a land-based variant of the JL-2, a submarine-launched ballistic missile
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thumb|right|Dongfeng-31A after a military parade in 2015. thumb|right|Range of various Chinese missiles (2007); DF-31 range in green. The Dong Feng 31 (; NATO reporting name CSS-10) is a third-generation, long-range, road-mobile, intercontinental ballistic missile (ICBM). Developed by the People's Republic of China (PRC) and operated by the People's Liberation Army Rocket Force (PLARF), this three-stage, solid-fuel missile in the Dongfeng missile series is designed to carry a single 425-kiloton thermonuclear weapon. It is a land-based variant of the JL-2, a submarine-launched ballistic missile.
In 2009, the Chinese inventory was estimated at fewer than 15 DF-31 missiles and fewer than 15 DF-31A missiles. The National Air and Space Intelligence Center (NASIC) estimated that, as of June 2017, five to ten Mod 1 and over fifteen Mod 2 launchers were operationally deployed.
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