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Begin New Search Topic Military Strategy Publishing Institution Center for International and Security Studies at Maryland (CISSM) Author Naoko Aoki Publication Year within 10 Years Publication Year within 5 Years

1. Takeaways From a Time of Increased Friction: South Korea-Japan Security Cooperation From 2015 to Present

Author:
Naoko Aoki
Publication Date:
09-2021
Content Type:
Working Paper
Institution:
Center for International and Security Studies at Maryland (CISSM)
Abstract:
South Korea and Japan share common challenges and liberal democratic values but have been unable to build a close security relationship, due mainly to their political differences. This paper examines the two countries’ defense cooperation in the bilateral, trilateral, and multilateral arenas over the past six years to explore how the external security environment, as well as bilateral political problems, have affected their joint activities. The paper’s analysis shows that defense cooperation between South Korea and Japan is not always a binary choice between full cooperation or no cooperation. The two countries not only weigh external threats and bilateral problems, but also ponder such factors as U.S. encouragement to adjust the scope of their cooperation. The paper also shows that while the main constraint for security cooperation between South Korea and Japan is their historical animosity, in recent years, frictions involving the countries’ armed forces have become a new reason for limiting cooperation. As a result, grassroots military-to-military exchanges between the two countries, which in the past continued despite political problems, have largely stopped since late 2018. The paper concludes by proposing that South Korea and Japan work to restore routine bilateral working-level exchanges. It also recommends that the United States continue to urge the two countries to cooperate, and that multilateral exercises be employed as forums for cooperation between the two armed forces, as that is an area that is least impacted by bilateral problems.
Topic:
Security, Defense Policy, Regional Cooperation, Military Strategy, and Bilateral Relations
Political Geography:
Japan, Asia, and South Korea

2. North Korea’s Shift to Diplomacy in 2018: A Result of U.S. Pressure or North Korean Security Calculus?

Author:
Naoko Aoki
Publication Date:
07-2019
Content Type:
Working Paper
Institution:
Center for International and Security Studies at Maryland (CISSM)
Abstract:
After conducting a record number of missile and nuclear tests in 2016 and 2017, North Korea dramatically changed its policy approach and embarked on a diplomatic initiative in 2018. It announced a self-imposed halt on missile and nuclear tests and held summit meetings with the United States, China, and South Korea from spring of that year. Why did North Korea shift its policy approach? This paper evaluates four alternative explanations. The first is that the change was driven by North Korea’s security calculus. In other words, North Korea planned to achieve its security goals first before turning to diplomacy and successfully followed through with this plan. The second is that U.S. military threats forced North Korea to change its course. The third is that U.S.-led sanctions caused North Korea to shift its policy by increasing economic pain on the country. The fourth is that diplomatic initiatives by South Korea and others prompted North Korea to change its position. This paper examines the actions and statements of the United States, North Korea, China, South Korea, and Russia leading up to and during this period to assess these four explanations. It concludes that military threats and economic pain did not dissuade North Korea from obtaining what it considered an adequate level of nuclear deterrence against the United States and that North Korea turned to diplomacy only after achieving its security goals. External pressure may have encouraged North Korea to speed up its efforts to develop the capacity to strike the United States with a nuclear-armed missile, the opposite of its intended effect. Diplomatic and economic pressure may have compelled Kim Jong Un to declare that North Korea had achieved its “state nuclear force” before conducting all the nuclear and ballistic missile tests needed to be fully confident that it could hit targets in the continental United States. These findings suggest that if a pressure campaign against North Korea is to achieve its intended impact, the United States has to more carefully consider how pressure would interact with North Korean policy priorities. Pressure should be applied only to pursue specific achievable goals and should be frequently assessed for its impact.
Topic:
Diplomacy, Nuclear Weapons, Military Strategy, Nonproliferation, and Deterrence
Political Geography:
United States, Japan, China, Asia, South Korea, and North Korea

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