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World Analysis-S.Korea blazes new path with 'most potent' conventional missile submarine

11:50  08 september  2021
11:50  08 september  2021 Source:   reuters.com

Navies around the world had big plans for 'cruiser submarines,' but they fell apart during World War II

  Navies around the world had big plans for 'cruiser submarines,' but they fell apart during World War II Cruiser submarines featured large external guns, but their long ranges and major firepower weren't enough to overcome their flaws.They were so effective that major naval powers set out to build different kinds of submarines for different missions. The Japanese even attempted to create dedicated submarine aircraft carriers.

By Josh Smith

a person in a military vehicle: FILE PHOTO: A South Korean soldier walks past Hyunmoo-2 and Hyunmoo-3 ballistic missiles during a photo opportunity ahead of a celebration to mark the 69th anniversary of Korea Armed Forces Day, in Pyeongtaek © Reuters/KIM HONG-JI FILE PHOTO: A South Korean soldier walks past Hyunmoo-2 and Hyunmoo-3 ballistic missiles during a photo opportunity ahead of a celebration to mark the 69th anniversary of Korea Armed Forces Day, in Pyeongtaek

SEOUL (Reuters) - South Korea's development of a conventional submarine-launched ballistic missile (SLBM) is a ground-breaking move, analysts said, with implications for North Korea, the U.S. alliance, and even the prospect of nuclear weapons in South Korea.

Last week, South Korea conducted ejection tests of the SLBM https://www.reuters.com/world/asia-pacific/skorea-tests-first-submarine-launched-ballistic-missile-yonhap-2021-09-07 from its recently launched Dosan Ahn Chang-ho KSS-III submarine, Yonhap news agency reported, showcasing a unique capability. It is the only nation to field such weapons without nuclear warheads.

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Seoul says the conventionally armed missile is designed to help counter any attack by North Korea. Analysts say the unusual weapon also checks many other boxes, including reducing South Korea's reliance on the United States and providing a foundation if it ever decided to pursue a nuclear arsenal.

South Korea's ministry of defence declined to confirm the tests, but said it is pursuing upgraded missile systems to counter North Korea.

South Korea's sub-launched missile, believed to be a variant of the country's ground-based Hyunmoo-2B ballistic missile, with a flight range of about 500 kilometres (311 miles), is smaller than the nuclear-tipped SLBMs developed by the North.

H.I. Sutton, a specialist in military submarines, said the South's technology is more advanced, however, and called the combination of an SLBM with the submarine's quiet Air Independent Propulsion system a potential "game changer."

Japan, US, S Korea discuss N Korea day after missile launch

  Japan, US, S Korea discuss N Korea day after missile launch TOKYO (AP) — Senior diplomats from Japan, the United States and South Korea gathered Tuesday in Tokyo to discuss North Korea's missile and nuclear development a day after Pyongyang announced it successfully tested new long-range cruise missiles, suggesting advancement of its military capabilities. The three-way meeting included U.S. Special Representative for North Korea Policy Sung Kim, South Korea's Special Representative for Korean Peninsula Peace and Security Affairs Noh Kyu-duk prepare to attend their trilateral meeting on North Korea's issues at Foreign Ministry Tuesday, Sept. 14, 2021 n Tokyo.

"In these respects it is the most potent conventionally powered and armed submarine in the world," he wrote in a report for Naval News.

South Korea's SLBM is one of a wide range of conventional missiles that the country is developing to augment its "Overwhelming Response" doctrine, said Ankit Panda, a senior fellow at the U.S.-based Carnegie Endowment for International Peace. The doctrine is an operational plan for strikes to pre-empt a North Korean attack or incapacitate its leadership in a major conflict.

"The SLBM is nominally justified in these terms, granting South Korean planners a highly survivable conventional second strike option in the face of North Korean attack; these missile systems would punish North Korea's leadership in the case of an attack on the south," he said.

Although submarine-launched ballistic missiles are usually associated with nuclear weapons, that does not mean South Korea has them or is pursuing them, he said.

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"However, should the alliance with the United States fray in the future or South Korea's national defences needs drastically shift, these SLBMs would provide an immediately available foundation for a limited, survivable nuclear force," he added.

A POLITICAL ISSUE

For now it is just an academic debate, but one that has made its way into the current South Korean presidential campaign, with some conservative candidates arguing that the country should seek a nuclear deterrent either on its own or by hosting American weapons, as some NATO allies do.

The United States removed its battlefield nuclear weapons from South Korea in 1991, but has continued to protect its ally under a "nuclear umbrella."

But recent years were tumultuous for the U.S.-South Korea alliance, with then-U.S. President Donald Trump pressing Seoul to pay more for the American military presence there, and even suggesting that countries, including South Korea and Japan, may need to develop their own nuclear weapons.

“It is unrealistic to prevent us from our own nuclear armament when North Korea has not given up its nuclear weapons yet," presidential candidate Yoo Seung-min said last month.

N.Korea says it tested new railway-borne missile system to strike 'threatening forces'

  N.Korea says it tested new railway-borne missile system to strike 'threatening forces' N.Korea says it tested new railway-borne missile system to strike 'threatening forces'SEOUL (Reuters) -The missiles fired by North Korea on Wednesday were a test of a new "railway-borne missile system" designed as a potential counter-strike to any forces that threaten the country, state news agency KCNA reported on Thursday.

The SLBM programme doesn't appear to be part of elaborate plan to hedge toward nuclear weapons, said Joshua Pollack, a researcher at the James Martin Center for Nonproliferation Studies who co-wrote a report last year warning that advances in conventional missiles in both Koreas have helped create a new pathway for a crisis.

"It simply looks like South Korea is trying to catch up with North Korea https://www.reuters.com/article/us-northkorea-missiles-southkorea-analys-idUSKBN2BM0G8," he said. "For decades, each side has been determined to show that it is more advanced and capable."

In July 2019 North Korean state media showed leader Kim Jong Un inspecting a large, newly built submarine. While North Korea did not describe the submarine's weapons, analysts said the apparent size of the vessel indicated it was designed to carry ballistic missiles.

Later that year, North Korea said it had successfully test-fired a new SLBM from the sea, and in January it showcased a new SLBM design https://www.reuters.com/article/us-northkorea-politics-idUSKBN29J2YG during a military parade in Pyongyang.

One Western diplomatic source said it was likely that other countries would follow South Korea's lead.

So far the test launch has not elicited public responses from officials in North Korea, Japan, China or other nearby countries, but South Korea’s neighbours are bound to ask tough questions, Pollack said.

"The loser here is the entire region, in the throes of a multi-sided missile race https://www.reuters.com/world/asia-pacific/caught-between-china-us-asian-countries-stockpile-powerful-new-missiles-2021-07-20," he said.

(Reporting by Josh Smith. Editing by Gerry Doyle)

79 years after the first submarine-launched commando raid, Navy SEALs say it hasn't gotten any easier .
Advances in technology since World War II have enabled far more complex submarine operations, but those operations are still challenging.Decades later, submarine special-operations have become a staple of the Navy SEAL Teams and one of the US military's most valuable capabilities.

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