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Argentina and U.S. Plan 'Atlantic Dagger' Special Operations Exercise for Early April

The drills signal a deepening U.S.–Argentina security alignment.

Overview

  • Reports point to April 6 for the start of the exercise, with final unit lists, troop numbers and precise locations still unconfirmed.
  • U.S. participation is expected to include Army Green Berets and Air Force special-operations elements, with possible Marine special-operations units and an estimated contingent of about 125 personnel.
  • The training centers on special operations tasks such as counterterrorism, hostage rescue, unconventional warfare and high‑intensity joint missions.
  • Officials say the site remains under strict reserve, with Argentine waters in the south—potentially near Tierra del Fuego or Santa Cruz—described as likely areas.
  • The planned drill follows a 2025 surge in joint activities and a reported March 2025 memorandum between the countries’ special-operations commands, and it aligns with Argentina’s participation in a U.S.-convened hemispheric military summit on February 11 and the Munich Security Conference on February 13–15.