- DF-5
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DF-5A/CSS-4 Mod 2 Type ICBM Service history In service 1981[1]–present Used by PRC Production history Manufacturer Factory 211 (Capital Astronautics Co.) Specifications Weight 183 tonnes (180 long tons; 202 short tons) Length 32.6 m (106 ft 11 in) Diameter 3.35 m (11 ft 0 in) Warhead One, MIRV (6 warheads) speculated on later variants Blast yield 4–5 Mt[1] Engine Two-stage Liquid fueled Operational
range12,000–15,000 km (7,500–9,300 mi)[2] Guidance
systemInertial + on-board computers [3] Accuracy ~1,000 m (3,300 ft) CEP The Dongfeng 5[Wǔ] (Chinese: 東風-5, literally "Eurus 5") or DF-5 is a 3 stage Chinese ICBM. It has a length 32.6 m and a diameter of 3.35 m. It weighs in at 183,000 kilograms and it has an estimated range of 12,000 to 15,000 kilometers. The DF-5 had its first flight in 1971 and was in operational service 10 years later. One of the downsides of the missile is that it takes between 30 and 60 minutes to fuel.
Contents
History
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 the China's Factory 211 (Capital Astronautics Co. [首都航天机械公司], also known as the Capital Machine Shop [首都机械厂]).
When the DF-5 was first tested in September 1971, it had a range of 10,000 to 12,000 km which allowed it to threaten the western portions of the United States. Beginning in 1983 the Chinese inaugurated 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 3,000 kg to 3,200 kg.
Deployment
As with the DF-4, initially the DF-5 was stored in a horizontal position in tunnels under high mountains, and are launched immediately outside the mouth of the tunnel. The missiles must be moved into the open and fueled prior to firing, an operational mode dubbed chu men fang pao (firing a cannon outdoors), with the fueling operation apparently requiring about two hours. The initial deployment of a pair of DF-5s in silos in Central China was completed in 1981. That portion of the DF-5A force that is deployed in silos could be maintained in a ready-to-fire status. In order to enhance the survivability of these missiles, China has constructed a large number of decoy silos which consist of shallow holes excavations with headworks that resemble operational silos.
According to the National Air Intelligence Center, as of 1998 the deployed DF-5 force consisted of "fewer than 25" missiles. From early 1999 to 2008 the total deployed DF-5 force was generally estimated at about 20 missiles.[4]
MIRV Upgrades
The current force of DF-5 missiles is deployed with a single warhead, but in November 1983 China inaugurated a DF-5A modification program to arm these ICBMs with MIRVed warheads. Technical difficulties, however, had stalled the program. The PLA leadership may have planned to MIRV the DF-5A system, however there is no evidence that they have been deployed.
The Federation of American Scientists asserts that despite having the theoretical ability to develop MIRV payloads, China has not deployed or even flight tested MIRV buses or MRV delivery payloads due to the high cost of development and deployment, and a lack of military necessity.
The Defense Intelligence Agency and arms control oriented NGOs all concur that China's nuclear arsenal has not significantly increased from the 200-300 warheads it had deployed and in stockpile in the early 1980s. This would indicate that a more capable strategic nuclear force is not a high priority for the People's Liberation Army.
Notes
- ^ a b The Federation of American Scientists & The Natural Resources Defense Council Chinese Nuclear Forces and U.S. Nuclear War Planning p. 202
- ^ http://www.fas.org/nuke/guide/china/icbm/df-5.htm
- ^ http://baike.baidu.com/view/2829007.html?goodTagLemma
- ^ Military Power of the People’s Republic of China 2008, Office of the Secretary of Defense, p. 24 (pp34 of PDF), http://www.defenselink.mil/pubs/pdfs/China_Military_Report_08.pdf
Operators
People's Republic of China: The People's Liberation Army Second Artillery Corps is the only operator of the DF-5.
References
- Federation of American Scientists
- DF-5
- "China's Ballistic Missile Programs Technologies, Strategies, Goals" by John Wilson Lewis and Hua Di, International Security, Fall 1992 [vol. 17 no. 2]
External links
Preceded by
DF-4DF-5
1999-Succeeded by
DF-21Missiles of the People's Republic of China
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List of Chinese missiles · People's Liberation ArmyCategories:- 1971 in spaceflight
- Intercontinental ballistic missiles of the People's Republic of China
- Weapons of the People's Republic of China
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