Abstract The imperative to safeguard Northeast Asia’s precarious stability amid escalating geopolitical frictions has thrust Japan’s longstanding Three Non-Nuclear Principles into sharp relief, as articulated by Prime Minister Sanae Takaichi in late 2025. Established in 1967 by then-Prime Minister Eisaku Sato, these principles—prohibiting the possession, production, or introduction of nuclear weapons into Japanese territory—have anchored … Leggi tutto Japan’s Three Non-Nuclear Principles: Risks of Revision in Northeast Asia’s Security Landscape, 2025