China’s naval strategy now seeks to prevail on the US Navy and the Indian Navy by using submarine warfare. | Col. Vinayak Bhat (Retd)
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New Delhi: China’s naval strategy in the Indo-Pacific, especially the Indian Ocean Region (IOR), seeks to prevail on the US Navy and the Indian Navy by using submarine warfare.

Beijing’s dream of a ‘blue water navy’—a navy that can operate anywhere in the world—is fast becoming a reality, thanks to the advances its shipbuilding industry has made towards modernising the People’s Liberation Army Navy (PLAN).

Now, it is suspected to be using targeted cyber hacks for stealing specific nuclear submarine technologies from the US Navy and those of its allies. Thus, in a short span of time, PLAN has been able build a technologically-advanced fleet of ballistic-missile nuclear submarines that can provide it a powerful second strike capability. So much so that it possibly has a larger fleet of SSBNs than assessed by the Western countries.

ThePrint takes a look at the Chinese navy’s nuclear submarines through open source satellite imagery.

China’s nuclear submarine proliferation

In the last decade, the PLAN has tried to undermine the Indian Navy’s advantages in the IOR time and again by surfacing its nuclear-powered submarines in Karachi and Colombo and patrolling the IOR regularly.

Source: Col. Vinayak Bhat (Retd)

Indian Navy officials who spoke to ThePrint on the condition of anonymity said that these submarines were identified by India’s reconnaissance aircraft long before they surfaced at Karachi.

India’s latest American acquisitions, the P8Is, have the best systems onboard and possess the best sonobuoys in the world.

However, the Chinese efforts at surveying and prying underwater, especially in the IOR and the Arabian Sea have not ceased, and are likely to continue in the future too.

Nuclear-powered ballistic missile submarines

China has made tremendous progress in the construction of its ballistic missile submarine (SSBN) fleet since the 1980s. The new facility at Huludao will provide PLAN an expansion rate of almost six to 12 nuclear submarines every year.

The first SSBN commissioned was the Type 92 Xia class, which carried JL-1 missiles. The Xia class was later refurbished, including changing the ballast system visible with change of flood holes pattern on the hump.

The modified Xia probably carried JL-1A, a submarine-launched ballistic missile (SLBM) version of the DF-21, with a range of almost 2,500 km. Rumours at the time also claimed that it is the second Type 92 SSBN.

Source: Col. Vinayak Bhat (Retd)

The first Type 94 Jin class SSBN was completed somewhere at the end of 2005, and observed on satellite imagery in 2008.


Also read: This secret facility is helping China’s navy become a submarine superpower


It was almost 10m longer, as seen on satellite imagery, and carried JL-2 missiles, a SLBM version of the DF-31 with a range of 7,500 km.

The old Huludao facility was able to produce newer versions of Type 94 after numerous studies and research and development at Yulin and Jianggezhuang.

Source: Col. Vinayak Bhat (Retd)

Although the changes are not very prominent on satellite images, they can be identified by expert observers.

The changes made to the Type 94 design observed externally are mainly on the pattern of flood holes and making the sail more hydrodynamic including the sail cusp.

There are generally two Type 94 submarines stationed at Huludao. Some analysts consider them ‘not active’, which is an incorrect assessment. In fact, this suggests regular maintenance after protective patrols.

Source: Col. Vinayak Bhat (Retd)

The two Jins at Huludao indicate at least two patrols going around in different directions. This obviously concludes that China may possibly have a larger fleet of SSBNs than assessed by the Western countries.

Nuclear-powered attack submarines

There are two types of nuclear-powered attack submarines or SSNs in PLAN’s fleet—the Type 91 Han class and the Type 93 Shang class.

Source: Col. Vinayak Bhat (Retd)

They are easily identified on satellite imagery because of their lengths, 100m and 110m respectively.

The latest version of Type 93 has a small hump adjacent to the aft of the sail. It also has three prominent sonar panels protruding from the sides.

The latest satellite imagery of Jianggezhuang available on Google Earth also shows a separate shiny bow dome, probably constructed with an especially-made titanium alloy.

Source: Col. Vinayak Bhat (Retd)
Source: Col. Vinayak Bhat (Retd)

Such bow domes have many advantages, including signal transparency for bow sonar arrays, and better protection since the titanium alloy is considered very strong yet very light.


Also readThe China-Pakistan ‘nexus’ to exploit tons of gold from the mines of Balochistan


Submarine pens

China has many underground facilities for its submarine fleet. The two recently-constructed and now active submarine pens are located at Jianggezhuang and Yulin.

Both were constructed in the first decade of this century and are considered to be the most modern underground facilities, with all advanced technology and automated systems.

These submarine pens are connected with rail and road systems on the other side of the mountains under which they are constructed.

These are used for carrying missiles inside the pens for loading on to the SSBNs/SSNs.

There are at least 19 entrances to the underground facility at Yulin, of which five are main ones—wider in size than the rest.

Source: Col. Vinayak Bhat (Retd)

The timeline satellite imagery of Yulin clearly indicates the efforts made by PLAN at making the location bomb proof, including covering the entire 1.5 site km with railway to avoid detection by satellite.

Source: Col. Vinayak Bhat (Retd)

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5 Comments Share Your Views

5 COMMENTS

  1. India having nothing, PM Modi is famous for tall talk, fake promise and false propaganda.
    Indian military carry tin can gun and bamboo stick.

  2. PLAN has taken long leap in submarine technology and speed of manufacturing them. However, China will need many more Submarines to defend her East coast against the combined threats of US,Japan, South Korea, Philippine, Vietnam, Indonesia, Australia and India. In addition foreign bases and supply route protection can not be ruled out.

  3. This is alarming ! India cannot turn a blind eye on such developments. It must immediately plan effective counter measures including on land and air defences besides rapid expansion of its own submarine fleet. It must also partner with friendly navies of Australia Japan the US Great Britain and France for a joint strategy to contain this menace!

  4. Don’t compete with China it it out of capacity for India compete with pakistan. Coz competition will be done between two having same strength.

  5. No need to feel paranoid. China lags the US and Russia in its SSBN capabilities, needs an effective second strike option. It also has a tiny inventory of warheads compared to these two countries.

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