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South Korea’s plan to amass nuclear-powered submarines seems to be seen favorably in Japan, in keeping with a Japanese safety analyst who spent 16 years on the protection ministry. The analyst says that the transfer might assist counter China’s rising undersea presence and develop safety cooperation between Seoul and Tokyo.
Hirohito Ogi, a senior analysis fellow on the Tokyo-based Institute of Geoeconomics, provided a positive view concerning South Korea’s pursuit of nuclear submarines, viewing the event as strategically useful for Japan.
This public endorsement from a protection analyst in Tokyo highlights a strategic alignment on deterring regional instability, whilst South Korea seeks to keep up a cautious steadiness between its safety partnership with Washington and important financial ties to Beijing.
“I personally suppose South Korea buying nuclear submarines for undersea protection could be a welcome improvement for Japan. Such capabilities might function a counterbalance to China’s submarines,” Ogi mentioned throughout an interview with Korean reporters in Tokyo earlier this month.
Seoul’s acquisition of such vessels might additionally open the door to broader South Korea-Japan cooperation in undersea operations, he defined, noting that debate is already underway in Japan about whether or not it ought to pursue nuclear-powered submarines of its personal.
“If each nations have been to have such submarines, joint undersea operations together with the US might turn into a practical chance,” he mentioned.
Beijing has emerged as a major safety concern for Tokyo, Ogi mentioned, constituting a shift from a number of years in the past, when North Korea’s nuclear threats dominated the agenda.
“China is now the largest problem, and North Korea comes second,” he mentioned. “This displays rising concern inside Japan a few potential disaster within the Taiwan Strait somewhat than a contingency on the Korean Peninsula.”
Ogi’s remarks come as Seoul’s long-standing ambition to develop nuclear-powered submarines has gained momentum following current U.S. approval for uranium enrichment and spent gas reprocessing — applied sciences South Korea had beforehand been barred from accessing.
These developments have drawn swift reactions from neighboring powers.
China has already expressed concern, warning that the transfer might undermine the worldwide nonproliferation regime below the Nuclear Non-Proliferation Treaty (NPT), whereas U.S. officers have signaled that the submarines might bolster deterrence in opposition to China’s increasing affect within the Indo-Pacific.
Ogi mentioned that he took notice of President Lee Jae Myung’s public feedback on Beijing’s undersea threats, suggesting that shared considerations about China might open the door to nearer safety cooperation with Tokyo.
Throughout the opening remarks at his October summit with U.S. President Donald Trump, Lee talked about the restricted endurance of South Korea’s present diesel-powered submarines, which makes monitoring vessels from North Korea or China troublesome.

President Lee Jae Myung holds a bilateral assembly with Japanese Prime Minister Sanae Takaichi on the sidelines of the G20 summit in Johannesburg, South Africa, Monday (native time). Joint Press Corps
“I am undecided how far South Korea’s strategic targets will shift, however the truth that President Lee highlighted the menace posed by Chinese language submarines is sort of important for Japan,” Ogi mentioned. “It signifies that Japan and Korea are more and more dealing with overlapping safety challenges within the area.”
Seoul has repeatedly careworn that any future nuclear-powered submarine would carry solely standard weapons and that it has no intention of creating its personal nuclear arsenal.
Nonetheless, the choice has stirred concern amongst observers who worry it might erode the NPT framework and encourage comparable debates in nations akin to Japan and Taiwan.
Ogi noticed that the talk over nuclear weapons — lengthy thought-about taboo in Japan — is beginning to loosen, amid hypothesis that Prime Minister Sanae Takaichi would possibly rethink the nation’s longstanding Three Non-Nuclear Rules, which forbid the possession, manufacturing and introduction of nuclear arms.
Takaichi’s current reluctance to obviously affirm whether or not Japan would proceed to uphold the ideas has ignited heated debate over the Cupboard’s subsequent steps.
“Whereas it’s too early to attract agency conclusions, there’s a chance that the talk inside Japan might shift. Up to now, failing to swiftly verify whether or not Japan ought to preserve its Three Non-Nuclear Rules drew crucial media protection,” Ogi mentioned. “However the notion that nuclear points are off-limits seems to have softened. Nonetheless, public understanding about nuclear weapons has not deepened but.”
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