After 10 months of fighting, it does not appear the Russia-Ukraine war will end any time soon. That conflict has begun to impact US-Russian nuclear arms control efforts—first by raising mistrust between Washington and Moscow to levels not seen since the height of the Cold War.

In late 2022, Moscow postponed a planned meeting of the 2010 New Strategic Arms Reduction Treaty’s implementing body, the Bilateral Consultative Commission, and the bilateral dialogue on broader strategic stability issues hangs in limbo. Even when—hopefully not if—the dialogue resumes, the consequences of the war will make achievement of US goals on arms control more difficult, particularly as regards limiting Russian non-strategic nuclear weapons.

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