TechNorth Korea's arsenal boosts with Russian military tech

North Korea's arsenal boosts with Russian military tech

North Korea's assistance to Russia is not altruistic. Pyongyang's compensation includes, among other things, Russian technology that enables the construction of miniature nuclear warheads and the launching of ballistic missiles from submarines. What is known about Kim Jong Un's underwater arsenal, which even surpasses the U.S. fleet in numbers?

Submarine Kim Kun Ok - North Korean ballistic missile carrier
Submarine Kim Kun Ok - North Korean ballistic missile carrier
Images source: © covert shores

The treaty on "comprehensive strategic partnership" concluded between Moscow and Pyongyang creates a formal framework for military cooperation, which both regimes have been developing for many months.

Ammunition, weapons, and – according to new reports – also pilots and soldiers handed over by Kim Jong Un to Putin serve as a type of currency in their bilateral relations. The ruler of North Korea intends to secure technologies that – despite many years of attempts – he has not been able to provide to his army through his own defense sector forces.

In an interview with "The Economist," Kyrylo Budanov, head of Ukraine's military intelligence, claims, citing intelligence data, that North Korea has received or will receive from Russia the technology to produce low-yield tactical nuclear weapons. This will be complemented by solutions allowing for the launch of ballistic missiles from submerged submarines.

This signifies the end of the shaky balance in relations between the North and South, maintained for decades on the Korean Peninsula.

The significance of tactical nuclear weapons for Pyongyang

North Korea announced possession of nuclear weapons in 2005. However, the problem for Pyongyang is that North Korean warheads are large and require equally large ballistic missiles for transport, the smallest of which is probably the tactical Toksa KN-02 missile.

Hwasong-17 missile
Hwasong-17 missile© nk news

These – in theory – can be destroyed in flight, and South Korea has made continuous efforts for years to identify and, in the event of conflict, quickly destroy North Korean nuclear installations, including mobile ballistic missile launchers.

Pyongyang's acquisition of the capability to build small, lightweight warheads means artillery can now carry them. Although this solution was abandoned worldwide decades ago, in the event of a conflict on the Korean Peninsula, nuclear artillery might be an ace in Kim's sleeve.

Especially since his army is equipped with, among other things, M-1978 Koksan 170 mm howitzers. This weapon has a range of up to 37 miles, meaning it can target Seoul and more from North Korean territory.

North Korean M-1978 Koksan howitzers
North Korean M-1978 Koksan howitzers© Licensor

The large number of howitzers and their potential dispersion makes it nearly impossible to destroy them all in a short time, as much as it is to neutralize a large number of incoming artillery shells simultaneously. In the event of a conflict with the North, this would put South Korea in a difficult position, exposing part of the country, including its capital, to nuclear strikes.

Attack from the sea

Equally important to Kim Jong Un is the capability to launch ballistic missiles from submarines. North Korea is, in terms of the number of submarines, a significant military power. According to varying estimates, Pyongyang has 60-80 submarines – more than Russia, China, or the United States.

Sang-O-class submarine captured by South Korea
Sang-O-class submarine captured by South Korea© Public domain

The backbone of the underwater fleet has been the Sang-O class submarines, built since the 1990s. These are small (but not miniature) vessels, slightly smaller than the Kobben class submarines operated by Poland until recently.

Korean vessels are 112 feet long, displace 407 tons underwater, and are operated by a 15-person crew. They are equipped with radar and four 21-inch torpedo tubes. North Korea has built at least 41 of these units, one of which was captured by South Korea.

Pyongyang also operates 20 imported Romeo class submarines from China (displacement of 1,984 tons, length of 243 feet), as well as a significant number of miniature vessels. Although these are technologically outdated, they can pose a serious threat by cutting South Korea off from aid delivered by sea in the event of a war.

The potential of North Korea's fleet

North Korea's underwater fleet capabilities were demonstrated in 2010, when in the vicinity of Baengnyeong Island in the Yellow Sea, a South Korean corvette was sunk due to a mysterious explosion. The investigation found that the South Korean warship was sunk by a torpedo fired by an undetected, unidentified Northern submarine.

Among conventional units, the likely sole (at least two are under construction) North Korean carrier of ballistic missiles stands out. It is the Sinpo-C/Gorae class submarine, introduced into service in 2023, a modification of the Romeo class.

Test of the North Korean Pukguksong-3 missile
Test of the North Korean Pukguksong-3 missile© global security

This carrier has been home to Pukguksong-3 ballistic missiles, produced since 2017, whose launchers (probably three) are located in the submarine's sail. Although North Korea has already conducted successful underwater missile launches using the vessel and underwater test installations, it likely encountered problems blocking the development of these capabilities.

Support from Russia solves this problem, simultaneously giving Kim another card – the ability to place nuclear warheads not only on land but also at sea. For South Korea, this is very bad news.

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