Within a couple of years, Tokyo could build a nuclear device small enough to fit on a missile, said Jennifer Kavanagh, director of military analysis at Defense Priorities, a Washington-based think tank. One senior lawmaker close to Ishiba told Reuters that Japan could build a nuclear weapon in as little as six months, and that it should consider doing so if trust in the U.S. nuclear umbrella broke down.
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By John Grover
March 23, 2026
Featuring Jennifer Kavanagh
March 23, 2026
