Japan Considers Allowing U.S. Nuclear-Armed Warships to Dock, Revising Decades-Old Non-Nuclear Principles
Japan is contemplating an exception to its long-standing 'Three Non-Nuclear Principles' by potentially allowing U.S. military warships carrying nuclear weapons to enter Japanese ports during emergency situations. This move is part of revisions to Japan's three key national security documents, expected to be finalized by the end of 2026. The 'Three Non-Nuclear Principles,' articulated in 1967 and formally adopted in 1971, state that Japan will not possess, produce, or permit the introduction of nuclear weapons into its territory. While the first two principles are intended to remain, the Takaichi administration is considering explicitly stating exceptions to the 'no introduction' rule. This consideration stems from a belief that ensuring Japan's security, particularly under the U.S. nuclear umbrella, necessitates the temporary entry of U.S. ships with nuclear capabilities, especially given the increasingly harsh security environment in the Indo-Pacific region with nuclear-armed neighbors like China, Russia,...
