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Case · C-019

Golfo Nuevo: the Argentine Navy pursues submarines that were never identified

Golfo Nuevo, Chubut (Valdés Peninsula) · Argentina · Jan 31, 1960 – Feb 17, 1960

Underwater Military witnesses

Unexplained

What happened
Between late January and February 17, 1960, units of the Argentine Navy, led by the patrol vessels ARA King and ARA Murature, pursued in the Golfo Nuevo one or possibly two submarines of unknown nationality, attacking them repeatedly with depth charges and guns without managing to sink or identify them. A small group of U.S. Navy experts took part in the searches, and a fleet anti-submarine advisor later wrote a report for the Naval General Staff. The Navy pointed to Soviet submarines, Moscow denied it, and their identity was never established; similar contacts had been reported in the same gulf as early as 1958.
Proposed explanation
The Argentine Navy attributed the contacts to Soviet submarines; the Soviet Union officially denied it. No identification has ever been confirmed, and the case is revived in UFO literature as an example of unidentified submerged objects (USO).
Official investigation
Armada Argentina (naval forces and Naval General Staff); U.S. Navy experts

Sources

  1. Canal 26, “Argentina bajo amenaza: submarinos rusos en las costas de la Patagonia” (October 8, 2024) (press)
  2. Wikipedia, “ARA Murature (P-20)” (other)
  3. Wikipedia, “Golfo Nuevo” (other)

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