Editorial

16:08 JST, November 23, 2025

The nuclear threat, which should have receded with the end of the Cold War, is growing again. It is concerning that the United States and Russia — two major nuclear powers — as well as China are competing to bolster their nuclear arsenals, and that any check on the competition is about to be lost.

Russian President Vladimir Putin announced this month that a new type of intercontinental ballistic missile capable of carrying multiple nuclear warheads will be deployed for operational use by the end of next year. Only last month, Russia announced it successfully tested new nuclear-powered and nuclear-capable weapons.

Since launching its aggression against Ukraine in February 2022, Russia has lowered its threshold for using nuclear weapons by relaxing the........

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