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DF-31A

Intercontinental ballistic missile

DF-31A

The Chinese DF-31A can reach all areas of the USA, Europe and Russia

 
 
Country of origin China
Entered service 2007
Basing Road mobile and silo based
Crew 5 men (?)
Missile
Missile length 13 m
Missile diameter 2.25 m
Missile weight 42 t
Warhead weight 1 ~ 1.7 t
Warhead type 3 x 20, 90 or 150 kT
Range of fire 11 200 km
CEP ~ 100 m
Mobility
Engine diesel
Engine power 540 hp
Maximum road speed 69 km/h
Range ~ 1 000 km

 

   The DF-31A intercontinental ballistic missile  (Western designation CSS-10 Mod 2) is an improved version of the original DF-31 (CSS-10 Mod 0). It was adopted in 2007. Currently the DF-31A is in service with Second Artillery Corps, that are de facto strategic missile forces of Chinese army. It was estimated that by 2009 approximately 30 DF-31 and DF-31A missiles were in operational service. Most likely that the number of operational DF-31A missiles has increased since then.

   The DF-31A is a solid-fuel missile. It has three stages. It has been reported that there are both road-mobile and silo-based versions of the DF-31A.

   The original DF-31 carries a single 1 MT capacity warhead. Yet the improved DF-31A carries 3 MIRVs with 20, 90, or 150 kT capacity each. Also it carries decoys in order to overcome missile defense systems.

   It has been reported that the DF-31A has a range of 11 200 km. It can reach all areas of United States, Europe and Russia.

   Missile has internal navigation system with indigenous Chinese BeiDou satellite navigation system. Some sources suggest, that older silo-based DF-31 missiles have an accuracy of 100 m, while mobile missiles have an accuracy of 150 m. The improved DF-31A should be even more accurate.

   Road-mobile version of the DF-31A based on a semi-trailer that also acts as Transporter Erector Launcher (TEL). It is towed by a Hanyang HY4330 8x8 tractor truck. This combination has some degree of cross-country mobility, however it is intended to operate on hard surface roads.

   Once on high alert the road-mobile version can leave its base and operate in remote areas. Such mobile missiles are typically harder to intercept. These have a high probability of surviving the first strike once the country has been attacked.

 

Variants

 

   DF-31AG is a modified and upgraded version of the DF-31A. Previously it was referred as the DF-31B, however it appeared that its official name is DF-31AG. It was reportedly tested in 2015 and was first publicly revealed in 2017. This system is based on an 8-axle launcher vehicle. In concept it is similar to Russian road-mobile ICBM systems, such as Topol and Yars. It is more mobile than the DF-31A. This feature widens its deployment options and thus increases survivability. This new missile reportedly carries multiple independently-targetable warheads. In 2017 a total of 16 DF-31AG launchers with missiles were publicly presented. This indicates that the missile is already in service. Currently it is one of the deadliest ICBM in the world.

 

Video of the DF-31A intercontinental ballistic missile

 
DF-31A

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