
Minutes of the Argentine Submarine Force Advisory Council signed by fourteen navy captains on 30 April 2017, seven months before the implosion of the ARA San Juan in the South Atlantic, have become central evidence in the ongoing oral trial before the Federal Oral Court of Santa Cruz, based in Río Gallegos. The document, cited by the Argentine outlet Infobae, details the technical issues outstanding and the operational restrictions affecting the submarine before its final mission, and constitutes one of the central elements of the debate over the eventual criminal responsibility of the four former senior naval commanders charged in the case.
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US troops began joint maneuvers on Tuesday with their Argentine counterparts as part of the “Atlantic Dagger” exercise, one of the broadest joint military operations between the two countries in decades, alongside the deployment of the nuclear-powered aircraft carrier USS Nimitz in South Atlantic waters. The simultaneous presence of special forces on Argentine soil and a US naval strike group off the Atlantic coast forms part of a single package authorized by President Javier Milei through Necessity and Urgency Decree 264/2026, after Congress failed to take up a 2025 bill to enable the entry of foreign troops.

A federal court in Río Gallegos, Santa Cruz province, has opened the long-awaited trial of four former senior Argentine Navy officers accused of alleged responsibility in the 2017 sinking and subsequent implosion of the ARA San Juan submarine, a disaster that killed all 44 crew members.

Argentina's Navy is considering modernizing its fleet with units from Denmark and Italy, it was reported this week in Buenos Aires.

The Argentine Navy's sloop ARA Alférez Sobral, of the 1982 War action, was sunk as a firing practice target off the coast near Necochea due to insufficient funds for maintenance. Departing from Mar del Plata Naval Base, the ship, originally the USS Salish from World War II and later named after Argentine explorer José María Sobral, was towed to its final resting place at coordinates 39°54'S, 59°30'W.

Nine members of the Argentine Navy have been placed under detention following the severe wounds sustained by 21-year-old volunteer Brisa Paez during a riot control training session at a naval base in Vicente Lopez -on the outskirts of Buenos Aires- on April 4.

The Argentine Navy on Saturday commemorated with Malvinas Veterans the Day of Maximum Resistance recalling the heroism, bravery, and commitment by naval troops in the defense of Puerto Argentino (Port Stanley).

During an event at the Puerto Belgrano Naval Base Friday, the Argentine Navy made official the decommissioning of the destroyer ARA Heroína of the MEKO 360 class after over 15 years of unseaworthiness due to the lack of a key spare part banned by the United Kingdom from being delivered.

The US Navy's George Washington nuclear-powered aircraft carrier is due this week in the South Atlantic for the “Gringo-Gaucho II” joint maneuvers with Argentina approximately 60 miles off Mar del Plata amid President Javier Milei's rapprochement with Washington. Escorted by the USS Porter and the logistic ship USNS John Lenthall, the carrier cannot dock at any relatively small Argentine port given her size.

According to Argentine media, the local Navy hopes to get ready its two French-built Super Étendard jets in time to participate in joint drills when the USS George Washington aircraft carrier reaches the South Atlantic in the coming days.