[뉴스] Japan is selling patrol vessels to the Philippines. Is Tokyo confronting Beijing with more ‘aggressive diplomacy’?

The Philippines’ purchase of Japanese patrol vessels amid growing tensions in the South China Sea is the latest indication of Tokyo’s growing role as a security provider in the region, observers say, as they point to the need to confront Beijing through deterrence and more “aggressive diplomacy”.

[뉴스] US, South Korea, Japan Seek to Expand Cooperation to Counter China

WASHINGTON — The United States, South Korea and Japan have expanded their security cooperation beyond North Korea with their Indo-Pacific Dialogue, which one expert called a “significant” development aimed at deterring Beijing from escalating threats in the region.

[뉴스] North Korea claims to test underwater nuclear-capable drone after US, South Korea and Japan show off naval might

Seoul, South KoreaCNN — North Korea on Friday claimed it had successfully tested an underwater nuclear weapons system earlier this week in response to naval drills by the United States, South Korea and Japan.

[뉴스] Is North Korea's Kim preparing for an actual war?

Could war again leave its bloody mark on the Korean Peninsula? Judging from an unusual rhetorical shift by North Korean leader Kim Jong Un, some longtime observers believe he may be disillusioned with diplomacy and is girding for conflict.

[정치/군사] Korea: A New History of South and North

... country caught amongst the world’s largest powers—including China, Japan, Russia, and the United States—Korea’s fate has been closely connected to its geography and the strength of its leadership and society. This comprehensive history sheds light on the evolving identities of the two Koreas, explaining the sharp differences between North and South, and prospects for unification.

[학술논문] An Integrated Framework for MOSAIC-AQNEA Emission Inventory Development in Northeast Asia

...pollution. This study presents the development of the MOSAIC-AQNEA emission inventory framework, integrating country-specifi c emission inventories for six countries: China, South Korea, Japan, North Korea, Mongolia, and the Asian part of Russia. A mosaic approach was applied to combine nationally developed inventories under a unifi ed sectoral classifi cation scheme. The inventory includes major seven...

[학술논문] Destabilizing the Balance of Threat on the Korean Peninsula: The Russia-North Korea Military Alliance

... Korea’s threat perception. Empirical evidence shows that North Korea’s mis-sile tests, nuclear development, and cyber activities intensify security anxiety. The Russia-North Korea partnership further destabilizes the balance of threat on the Korean Peninsula, prompting South Korea to strengthen alliances with the United States and Japan and enhance coordination with NATO.

[학술논문] Korea–Japan Relations in 2025: The Solidification of Security Cooperation and the Fading of History

This article reviews the evolution of bilateral relations between South Korea and Japan in 2025, and detects a trajectory towards a closer partnership in security and economic matters despite the persistence of the history issue. New political leaders emerged in both countries, but there was a consistent commitment to building a stronger and more well-rounded relationship. The main impetus appeared...

[학술논문] South Korea-United States Relations in 2025: Lee Adjusts to Trump as the U.S.-China Conflict Deepens

...significant new investments in the U.S., along with more defense spending and burden-sharing, in exchange for the best-available access to the U.S. market (mostly, a 15 percent tariff level) and U.S. support for Korea enriching and reprocessing civilian nuclear fuel and building nuclear attack submarines. Lee supported Trump's preferences on trilateral relations with Japan, while Trump supported Lee's...

[학술논문] German Philosophy in East Asia and Beyond

...philosophy—rose to prominence. German thought stressed state, morality, community, and historical development, which matched Japan’s growing nationalism and its effort to legitimize the Emperor system. Korea’s systematic encounter with Western philosophy began during the colonial period through Japan, where German Idealism already held a privileged position in academia. In early modern China, scholars primarily...

[해외] Why Japan and South Korea Won’t Go Nuclear

...that South Korea and Japan do more for their own security and has redeployed Patriot missiles and THAAD systems from South Korea and U.S. Marines from Japan to the Middle East because of the war with Iran. A growing chorus of influential voices in Seoul and Tokyo seems to lend credence to the worry that this confluence of threats will prompt South Korea and Japan to cross the nuclear Rubicon. In 2023...

[해외] Can Sports Diplomacy Open a Door on the Korean Peninsula?

... team at a local hotel. The winner of the final—against Australia’s Melbourne City or Japan’s Tokyo Verdy Beleza—will receive $1 million in prize money, with the runner-up receiving $500,000.

[해외] China is confronting new realities on the Korean Peninsula

...consolidation of its nuclear status after the Ninth Party Congress, the further deepening of Russia-North Korea ties, intensifying U.S.-China competition, the growing institutionalization of U.S.-Japan-South Korean trilateral coordination, and the spillover effects of conflict in the Middle East. For that reason, China’s policy thinking does not begin with the question of whether Donald Trump and Kim...

[해외] North Korea’s Nuclear Weapons and Missile Programs

...Korea have shifted. The U.S. Forces Korea commander said in April 2025 that in return for North Korea's assistance in its war against Ukraine, "Russia is expanding sharing of space, nuclear, and missile-applicable technology, expertise, and materials to the DPRK." A trilateral statement of the United States, South Korea, and Japan reiterates their "steadfast commitment to the complete denuclearization...

[해외] Should Japan change its approach to North Korean denuclearization?

... environment. In response, Japan has pursued a dual strategy toward the Korean Peninsula and Northeast Asia: enhancing integrated deterrence through the Japan-U.S. alliance and deepening cooperation with South Korea, while promoting multilayered trilateral security cooperation. In recent years, Japan has intensified its cooperation with South Korea, consistent with Japan’s policy of fostering collaboration...