US Halts Nuclear Arsenal Information Exchange With Russia

National Security Council Coordinator for Strategic Communications John Kirby speaks during the daily briefing in the Brady Press Briefing Room of the White House in Washington, on March 22, 2023. Saul Loeb/AFP via Getty Images

The United States has halted the exchange of key information on its nuclear arsenal with Russia, citing Moscow’s decision to suspend its participation in the New START treaty.

The United States had offered to continue providing biannual nuclear weapons data with Russia under the faltering New START treaty even after Moscow suspended its participation in February.