{
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  "description": "The treaty entered into force in 2011 and was extended by five years in early 2021, pushing its expiration to this week. ",
  "path": "/last-us-russia-nuclear-arms-treaty-expired/",
  "publishedAt": "2026-02-04T23:05:35.000Z",
  "site": "https://www.aretenews.com",
  "tags": [
    "Subscribe now"
  ],
  "textContent": "The New Strategic Arms Reduction Treaty, the last remaining agreement limiting the strategic nuclear forces of the United States and Russia, has expired, ending legally binding caps on the world’s two largest nuclear arsenals for the first time in more than half a century.\n\nSigned in 2010 and extended once in 2021, New START expired at midnight on Wednesday, having limited each side to 1,550 deployed strategic nuclear warheads and capped deployed intercontinental ballistic missiles, submarine-launched ballistic missiles and heavy bombers. The treaty also established verification measures, including data exchanges and on-site inspections, intended to reduce uncertainty and the risk of miscalculation.\n\n### This post is for subscribers only\n\nBecome a member to get access to all content\n\nSubscribe now",
  "title": "The last U.S.–Russia limits on strategic nuclear arms have expired",
  "updatedAt": "2026-02-04T23:05:34.440Z"
}