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After New START Lapses, U.S. Presses China as Putin Prioritizes Nuclear Triad

Washington seeks a successor framework that includes Beijing following allegations of a rapid and opaque buildup.

Overview

  • New START expired on Feb. 5, removing the last binding caps, inspections and data exchanges on U.S. and Russian strategic forces.
  • At the Geneva disarmament forum, U.S. official Christopher Yeaw said China has "massively expanded" its arsenal and repeated accusations of secret nuclear tests while urging Beijing’s inclusion in future talks.
  • Vladimir Putin said developing Russia’s nuclear triad is an "absolute priority," highlighting plans to reinforce the armed forces.
  • Moscow had proposed voluntarily observing New START limits through February 2027, a proposal that received no formal U.S. acceptance.
  • Analysts warn the loss of transparency and limits raises the risk of a three‑power arms competition even as modernization delays and costs could moderate the pace.