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U.S. Recasts Monroe Doctrine as 'Donroe Doctrine' to Lead Security in the Americas

Pentagon policy chief Elbridge Colby said the effort seeks to curb drug flows, check Chinese influence, and push partners to spend more on defence.

U.S. Under Secretary of Defence Elbridge Colby attends a meeting of the Ukraine Defence Contact Group, after a meeting of NATO Defence Ministers at the Alliance headquarters, in Brussels, Belgium February 12, 2026. REUTERS/Tom Nicholson

Overview

  • Pentagon policy chief Elbridge Colby laid out the so-called 'Donroe Doctrine' in a speech in Cusco on Wednesday, framing a formal U.S. push for a more active regional security role.
  • Colby said the shift includes stepped-up U.S. military action against drug trafficking, noting strikes on drug boats that began in the fall and claiming Venezuela’s Maduro was deposed in January.
  • The Pentagon plans joint counter‑narcotics strikes with like-minded governments, a posture the U.S. says is already in operation in Ecuador and will expand through shared operations and intelligence.
  • Colby urged Latin American governments to protect strategic assets such as the Panama Canal and to raise defence spending, noting some countries now allocate under 1% of GDP to their militaries.
  • Critics say the rhetoric revives interventionist U.S. policies and risks sovereignty disputes while supporters argue it will empower partners; the plan builds on a regional rightward political shift that has made some governments more receptive.