![]() The Argentine Navy later reported that sonar systems on two of its ships and sonar buoys dropped by a US P-8A Poseidon aircraft detected noises possibly coming from San Juan a senior United States Navy officer told CNN that this sounded like banging on the hull in order to alert passing ships later analysis of the audio determined that the sound "did not correspond to a submarine", and was probably of biological origin. The Navy also stated that if the issue had simply been a communications failure, then San Juan would have arrived at Mar del Plata on 19 or 20 November. Although the submarine had enough supplies to last 90 days above water, she only had enough oxygen for 7–10 days submerged and it was speculated that she was submerged when communications were lost given the rough weather. On 20 November, the Argentine Navy announced that the "critical phase" for the rescue was approaching. On 19 November, the Argentine Armed Forces stated that severe weather with 8-metre (26 ft) waves in the area was hampering the search effort and that weather conditions would not be favourable until 21 November. On 18 November, the Ministry of Defense reported that there had been attempts at communication that day from a satellite phone that was believed to be from the submarine, but it was later determined that the calls were not from the vessel. Argentine and US sailors in front of the Subsea Construction Support Vessel Skandi Patagonia Īlso on 17 November, the International Charter 'Space and Major Disasters' was activated by the Secretaría Nacional de Protección Civil de Argentina, thus providing for humanitarian satellite coverage. The Argentine Navy brought in a team of mental health professionals to aid the families a team to keep them updated on the search and rescue effort had also been set up. The Argentine Armed Forces set up a centre of operations at the naval base in Mar del Plata, with family members of the submariners also present at the base. On the same day, Argentine president Mauricio Macri moved to the official residence at Chapadmalal, near Mar del Plata, in order to follow the search and rescue operation more closely. ![]() ![]() The submarine carried oxygen for no more than seven days when submerged. There were at least 44 servicemen on board the missing submarine, including Argentina's first female submarine officer, Eliana Krawczyk. On 17 November 2017, it was announced that she had not been heard from since 15 November, and that a search and rescue operation had been launched 200 nautical miles (370 km 230 mi) southeast of San Jorge Gulf. With the war game completed and after a short visit to Ushuaia open to the public, the submarine got underway to her home base at Mar del Plata. In early November 2017, San Juan was part of a navy exercise in Tierra del Fuego which included the sinking of the ex ARA Comodoro Somellera as a target. ![]() San Juan underwent a mid-life update from 2008 to 2013, which included replacing all battery elements. She was laid down on 18 March 1982 and launched on 20 June 1983. Background ARA San Juan (S-42) in 2007ĪRA San Juan (S-42), a TR-1700-class diesel-electric submarine in service with the Argentine Navy since 19 November 1985, was built in West Germany by Thyssen Nordseewerke. On 16 November 2018, a year after the disappearance of the submarine, her wreck was found in the South Atlantic by the private company Ocean Infinity at a depth of 907 metres (2,976 ft) at 45★6′59″S 59☄6′22″W / 45.94972°S 59.77278°W / -45.94972 -59.77278. It was the worst submarine disaster since the accident on Chinese submarine 361 in 2003, and the second worst peacetime naval disaster in Argentina after the 1949 sinking of the minesweeper ARA Fournier. After a search lasting 15 days, the Argentine Navy downgraded the operation from a rescue mission to a search for the submarine's wreck, implying they had given up any hope of finding survivors among its crew of 44. On 15 November 2017, the Argentine submarine ARA San Juan disappeared off the coast of Argentina while on a training exercise. ![]()
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