Regional Security Threats
What event in 2006 heightened Japan’s fears of nuclear attack?
North Korea’s first nuclear test
Name two international arms control agreements that Japan actively supports.
NPT and CTBT
What is nuclear hedging?
Maintaining the capacity to develop nuclear weapons without actually doing so
What part of Japan’s constitution legally limits its military actions?
Article 9
Why did Japan become so reliant on U.S. security guarantees during the Cold War?
It lacked a strong military and depended on U.S. protection against the Soviet Union
How has China’s military modernization directly affected Japan’s defense posture?
Japan identified China’s military expansion as a concern in its 2004 National Defense Program
What diplomatic action did Japan take after North Korea’s 2006 nuclear test to strengthen its security?
It reaffirmed its reliance on U.S. nuclear deterrence and sought stronger U.S. commitments
Name one reason why Japan’s nuclear energy program is not considered a nuclear weapons program.
It is designed for energy security and reducing reliance on foreign energy, not weaponization
Japan’s Three Nonnuclear Principles state that it will not do what?
Manufacture, possess, or introduce nuclear weapons
What scenario could force Japan to reconsider nuclearization?
A significant decline in confidence in U.S. extended deterrence
Why do some analysts argue the NPT is becoming less effective?
It failed to prevent North Korea from acquiring nuclear weapons
How has Japan expanded its military role despite constitutional constraints?
By increasing Self-Defense Forces (SDF) operations abroad, including missions in Iraq and the Indian Ocean
What type of facility in Japan could theoretically be used to produce nuclear weapons?
Plutonium reprocessing facilities
What law prohibits Japan from using nuclear energy for anything other than peaceful purposes?
Basic Law on Atomic Energy
Name a bureaucratic institution in Japan that would resist nuclearization.
Ministry of Economy, Trade, and Industry
What kind of missile has North Korea repeatedly tested over Japanese airspace?
Intermediate-range ballistic missiles
What specific role does the Ministry of Foreign Affairs play in Japan’s nuclear policy?
Enhances diplomatic efforts on disarmament and arms control
How does Japan’s government prevent the misuse of its nuclear technology for weapons?
Strict oversight by the Ministry of Economy, Trade, and Industry, which opposes weaponization
What institution is responsible for overseeing Japan’s nuclear policy and ensuring compliance with nonproliferation?
Atomic Energy Commission
What global event in 2011 caused Japan to rethink its energy policies?
Fukushima nuclear disaster
Explain why Japan is concerned about the reliability of the U.S. nuclear umbrella.
Shifting U.S. priorities and reduced commitment to regional allies create doubts about full U.S. protection
How has Japan adjusted its military spending in response to regional threats?
Increased budget allocations for defense while keeping nuclearization off the table
Why do some analysts believe Japan is keeping the “door open” to nuclearization despite public opposition?
Because it has the technical capability and political flexibility to shift its stance if U.S. security guarantees weaken
How has the role of Japan’s Prime Minister changed in shaping security policy?
Post-2001 reforms gave the Prime Minister greater control over defense and security decisions
What is a major political factor that could lead Japan to shift its nuclear policy?
A drastic change in leadership or ruling party policy on security and defense