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DF-5

The Dongfeng 5 (simplified Chinese: 东风-5; traditional Chinese: 東風-5; pinyin: Dōng Fēng Wǔ; lit. 'East Wind 5') or DF-5 is a Chinese second-generation two stage, silo-launched, liquid-propelled intercontinental ballistic missile. The most recent variant of the missile, the DF-5C, was first displayed at the 2025 China Victory Day Parade and is estimated to have a range of approximately 20,000 kilometres (12,000 mi) with the ability to carry up to 10 multiple independently targetable reentry vehicles (MIRVs).

The DF-5 had its first flight in 1971 and was in operational service 10 years later. One of the limitations of the missile is that it takes between 30 and 60 minutes to load with liquid fuel (UDMH) and NTO oxidizer. The missile was also used as the basis for the Long March 2 family of launch vehicles.

As of 2026, DF-5s in service are estimated at six DF-5A missiles assigned six warheads, and twelve DF-5B missiles assigned 60 warheads in MIRV configuration. It is unknown if the DF-5C is deployed. The DF-5B warhead, at 4.5 megatons, is one of the largest nuclear weapons still in service worldwide.

The DF-5 was designed under the leadership of Tu Shou'e 屠守锷 at the China Academy of Launch Technology (CALT); Li Xu'e [李绪鄂] served as deputy chief designer. The missile was produced at China's Factory 211 (Capital Astronautics Co. [首都航天机械公司], also known as the Capital Machine Factory [首都机械厂]).

The DF-5 was first flight tested in 1971, with final tests into the Pacific Ocean in May 1980. Two silo-based missiles were put into 'trial operational deployment' in 1981. Chinese leadership deemed the DF-5 crucial because "Although the number is not large, it can cover the entire Soviet Union [with its range of 9,000 kilometers]. If [Moscow] wants to attack us, it must consider twice."

Beginning in 1986 the Chinese started developing the improved DF-5A, with range increased to over 15,000 km and a more accurate guidance system.

The DF-5A upgrade increased the throw-weight of the system from 7,000 kg to 10,200 kg. DF-5A had its first flight test in 1991 and was finalized in 1995. The missile uses an inertial guidance system that provides a circular error probability (CEP) of 800 metres (2,600 ft).

The missile was also used as the basis for the Long March 2 family of launch vehicles.

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