China developed an intercontinental ballistic missile, code-named Dongfeng-5, in the mid-1960s, with a range of more than 12,000 kilometers. It could carry a thermonuclear warhead equivalent to 3 million tons of TNT and was in service in 1981, National Day 35 anniversary parade debut. Its range can not only cover the whole territory of the Soviet Union, it can also cover the United States, became the hands of China at that time the most powerful nuclear sword.
The basic location of the missile brigade equipped with Dongfeng-5 is no longer a secret, two of which are located in Huaihua, Hunan and Luoyang, Henan near the mountains, in fact, according to the current technical reconnaissance means and artificial intelligence, Determine the deployment of these silos of ballistic missiles is not difficult to deploy, the silo deployment of silo ballistic missile survivability is not great.
Dongfeng family members include Dongfeng-5, Dongfeng-5A, Dongfeng-5B and Dongfeng-5C. Initially Dongfeng-5 was deployed in a similar style as the Dongfeng-4 long-range ballistic missile. The missile was stored in a horizontal position in the tunnel below the mountain and moved to the outside of the tunnel. It was reported that the missile refueling operation normally took 2 hours. Later production type Dongfeng-5 and modified Dongfeng-5A may be deployed in the silo and remain in the ready-to-launch state. During this period, the derivative types of “Dongfeng-5A” and “Dongfeng-5B” were improved for the operational requirements of the new period, and the performance was significantly improved. The Dongfeng-5B can carry 4 to 6 sub-guided nuclear warheads, while Dongfeng -5C can carry 10 sub-guided nuclear warheads,
The Dongfeng-5 intercontinental ballistic missile was the first intercontinental strategic missile developed by China. The Chinese flight tested a vehicle with ICBM characteristics to a reduced range in September 1971. The earliest possible IOC for an ICBM based on this vehicle was projected by US intelligence in 1972 as being late 1974, but more likely a year or two later.
Development problems evidently precluded initial deployment of the DF-5 as an operational ICBM, but the space-launch version referred to by the Chinese as the FB-1 (Fengbao-Tempest) - was used as the booster for a series of five satellite shots that began in July 1975 and concluded in December 1976. The rocket uses four first-stage gimballed engines and one second-stage engine, all of which burn N2O4/UDMH. The Dongfeng-5 possessed the capability to hit targets in the western Soviet Union and the United States.
The absence of any space shots between January 1978 and September 1981 may well have related to DF-5 testing as China prepared for the long range testing of its experimental ICBM. Four partial range tests were reported in 1979: 7 January, 15 July, 21 August, and 4 September, and there might have been one in October. The final test shot was fired in February 1980.
By 1980 China had overcome the slowdown in nuclear development caused by the Cultural Revolution and had some spectacular successes in its strategic weapons program. Preparation for full-range tests base exercises at the Shuangchengzi site and ship exercises in the Yellow Sea began in March 1980. Finally, on 18 and 21 May, two long-range shots were made into the Pacific Ocean, where it was recovered by a naval task force. There seems to be agreement that the first shot was a success, traveling approximately 6,000 miles from the launch site to an area bounded by the Gilbert Islands, the Solomons, Fiji, and the New Hebrides, with splash-down occurring at 0230 Greenwich mean time. The second shot may well have been a failure, coming down perhaps 800 miles off course.The flight test was successful on May 18, 1980. The missile has a total length of 32.6 meters, a diameter of 3.35 meters, and a take-off weight of 183 tons. It uses a two-stage liquid fuel rocket engine and launches a well. The maximum range is 12,000 kilometers and 15,000 kilometers (Dongfeng-5A), which can carry one 3,000 kilograms of power. It had a 3-4 MT nuclear warhead, or 4-5 sub-guided nuclear warheads (Dongfeng-5A) with a hit accuracy of 500 meters.
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