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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

3. Will North Korea Denuclearize after the Singapore Summit? Lessons from the past

Author:
Naoko Aoki
Publication Date:
07-2018
Content Type:
Working Paper
Institution:
Center for International and Security Studies at Maryland (CISSM)
Abstract:
Policy-makers, scholars, and analysts disagree about whether North Korea will take any meaningful denuclearization steps after its leader Kim Jong Un met with U.S. President Donald Trump in Singapore in June 2018. Many believe that the breakdowns of the 1994 Agreed Framework and the Six Party Talks process in the 2000s show that North Korea’s nuclear weapons program cannot be constrained through cooperation. According to this view, Pyongyang violated its previous commitments once it received economic and political benefits, and it will do so again. The underlying assumption is that Washington was fully implementing its own commitments until Pyongyang broke the deal. But is this true? This paper discusses three key findings drawn from an analysis of U.S. implementation of past denuclearization agreements with North Korea. The first is that the United Stated did not always follow through with its cooperative commitments because of domestic political constraints, even when North Korea was fulfilling its commitments. This makes it difficult to determine whether North Korea ultimately did not honor its obligations because it never intended to or because it was responding to U.S. actions. The second is that some parts of past deals were more susceptible than others to being undercut by domestic opposition because they received insufficient political attention. The third is that such domestic interference could be minimized by obtaining the widest possible coalition of domestic support from the negotiation stage. The roadmap for North Korea’s denuclearization is unclear, as the Singapore summit did not determine concrete steps toward that goal. Secretary of State Mike Pompeo’s visit to Pyongyang in early July also did not yield specifics such as the scope and timeline of denuclearization. But based on the findings from past agreements, this paper argues that the only way for the United States to find out if engagement will work this time is to test North Korea’s intentions by carrying out Washington’s own cooperative commitments more consistently than in the past.
Topic:
Diplomacy, Nuclear Weapons, Military Strategy, Nonproliferation, and Deterrence
Political Geography:
United States, Japan, China, Asia, South Korea, North Korea, and Korea