Search continues for missing Argentine submarine with 44 crew members

BUENOS AIRES, Nov 17 (Reuters) - An Argentine military submarine with 44 crew members on board was missing at sea in the South Atlantic on Friday, prompting a massive search to locate the vessel which may have suffered a communication error, a navy spokesman said.

The ARA San Juan submarine was in the southern Argentine Sea, 268 miles from the Patagonian coast when it gave its last location two days ago.

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Missing Argentine military submarine ARA San Juan
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Missing Argentine military submarine ARA San Juan
The Argentine military submarine ARA San Juan and crew are seen leaving the port of Buenos Aires, Argentina June 2, 2014. Picture taken on June 2, 2014. Armada Argentina/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY.
A crew member of the Argentine military submarine ARA San Juan stands on the vessel at the port of Buenos Aires, Argentina June 2, 2014. Picture taken on June 2, 2014. Armada Argentina/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY.
The Argentine military submarine ARA San Juan and crew are seen leaving the port of Buenos Aires, Argentina June 2, 2014. Picture taken on June 2, 2014. Armada Argentina/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY.
Photo released on November 17, 2017 by Telam showing the A.R.A. San Juan submarine being delivered to the Argentine Navy after being repaired at the Argentine Naval Industrial Complex (CINAR) in Buenos Aires, on May 23, 2014. The Argentine submarine is missing in Argentine waters after it lost communication more than 48 hours ago. / AFP PHOTO / TELAM / ALEJANDRO MORTIZ / Argentina OUT (Photo credit should read ALEJANDRO MORTIZ/AFP/Getty Images)
A crew member of the Argentine military submarine ARA San Juan stands on the vessel at the port of Buenos Aires, Argentina June 2, 2014. Picture taken on June 2, 2014. Armada Argentina/Handout via REUTERS ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY.
Ships are seen at an Argentine Naval Base, where the missing-at-sea ARA San Juan submarine sailed from, in Mar del Plata, Argentina November 18, 2017. REUTERS/Marcos Brindicci
Picture released by TELAM showing Mar� Morales (L) mother of submarinist Luis Garcia, accompnied by an unidentified man at the entrance of Argentina's Navy base in Mar del Plata, on the Atlantic coast south of Buenos Aires, on November 18, 2017. Argentina's navy is hunting for one of its submarines which has been reported missing in the South Atlantic with a crew of 44 on board. / AFP PHOTO / TELAM / Alejandro MORITZ / Argentina OUT / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT 'AFP PHOTO / TELAM / ALEJANDRO MORITZ' - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS (Photo credit should read ALEJANDRO MORITZ/AFP/Getty Images)
Picture released by TELAM showing unidentified people gathering at the entrance of Argentina's Navy base in Mar del Plata, on the Atlantic coast south of Buenos Aires, on November 17, 2017. Argentina's navy is hunting for one of its submarines which has been reported missing in the South Atlantic with a crew of 44 on board. / AFP PHOTO / TELAM / Alejandro MORITZ / Argentina OUT / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT 'AFP PHOTO / TELAM / ALEJANDRO MORITZ' - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS (Photo credit should read ALEJANDRO MORITZ/AFP/Getty Images)
Photo released on November 17, 2017 by Telam showing the A.R.A. San Juan submarine being delivered to the Argentine Navy after being repaired at the Argentine Naval Industrial Complex (CINAR) in Buenos Aires, on May 23, 2014. The Argentine submarine is missing in Argentine waters after it lost communication more than 48 hours ago. / AFP PHOTO / TELAM / ALEJANDRO MORTIZ / Argentina OUT (Photo credit should read ALEJANDRO MORTIZ/AFP/Getty Images)
A man reacts outside the Argentine Naval Base, where the missing at sea ARA San Juan submarine sailed from, in Mar del Plata, Argentina November 21, 2017. REUTERS/Marcos Brindicci TPX IMAGES OF THE DAY
A heart formed with stripes with the colours of Argentina's national flag hangs from a fence outside the Argentine Naval Base in Mar del Plata, Argentina November 21, 2017. REUTERS/Marcos Brindicci TPX IMAGES OF THE DAY
Navy crew work aboard the ARA Sarandi destroyer before leaving to take part in the search for the ARA San Juan submarine missing at sea at the Argentine Naval Base in Mar del Plata, Argentina November 21, 2017. REUTERS/Marcos Brindicci
A woman walks past an Argentine national flag hanging from a fence outside the Argentine Naval Base in Mar del Plata, Argentina November 21, 2017. Words on the flag read "We are with you". REUTERS/Marcos Brindicci
Navy crew work aboard the ARA Sarandi destroyer before leaving to take part in the search for the ARA San Juan submarine missing at sea at the Argentine Naval Base in Mar del Plata, Argentina November 21, 2017. REUTERS/Marcos Brindicci
The ARA Sarandi destroyer is seen before leaving to take part in the search for the ARA San Juan submarine missing at sea at the Argentine Naval Base in Mar del Plata, Argentina November 21, 2017. REUTERS/Marcos Brindicci
Argentine Navy captain Gabriel Galeazzi looks on after a news conference at the Argentine Naval Base in Mar del Plata, Argentina November 21, 2017. REUTERS/Marcos Brindicci
Malvina Vallejos, sister of missing submariner Celso Oscar Vallejos hangs a supportive message for the 44 crew members of Argentine missing submarine outside Argentina's Navy base in Mar del Plata, on the Atlantic coast south of Buenos Aires, on November 21, 2017. An international search mission for the missing Argentine ARA San Juan submarine entered its sixth day Tuesday as uncertainty over the fate of its 44 crew members gave way to rising anguish for families troubled by earlier false hopes. / AFP PHOTO / EITAN ABRAMOVICH (Photo credit should read EITAN ABRAMOVICH/AFP/Getty Images)
Malvina Vallejos, sister of missing submariner Celso Oscar Vallejos speaks outside Argentina's Navy base in Mar del Plata, on the Atlantic coast south of Buenos Aires, on November 21, 2017. An international search mission for the missing Argentine ARA San Juan submarine entered its sixth day Tuesday as uncertainty over the fate of its 44 crew members gave way to rising anguish for families troubled by earlier false hopes. / AFP PHOTO / EITAN ABRAMOVICH (Photo credit should read EITAN ABRAMOVICH/AFP/Getty Images)
People pray at the entrance of Argentina's Navy base in Mar del Plata, on the Atlantic coast south of Buenos Aires, on November 21, 2017, after being refueled to take part in the search of missing submarine ARA San Juan A man . An Argentine submarine has been lost in the South Atlantic for five days now with 44 people aboard. An international search mission for the missing Argentine ARA San Juan submarine entered its sixth day Tuesday as uncertainty over the fate of its 44 crew members gave way to rising anguish for families troubled by earlier false hopes. / AFP PHOTO / EITAN ABRAMOVICH (Photo credit should read EITAN ABRAMOVICH/AFP/Getty Images)
A man prays at the entrance of Argentina's Navy base in Mar del Plata, on the Atlantic coast south of Buenos Aires, on November 21, 2017, after being refueled to take part in the search of missing submarine ARA San Juan A man . An Argentine submarine has been lost in the South Atlantic for five days now with 44 people aboard. An international search mission for the missing Argentine ARA San Juan submarine entered its sixth day Tuesday as uncertainty over the fate of its 44 crew members gave way to rising anguish for families troubled by earlier false hopes. / AFP PHOTO / EITAN ABRAMOVICH (Photo credit should read EITAN ABRAMOVICH/AFP/Getty Images)
People pray at the entrance of Argentina's Navy base in Mar del Plata, on the Atlantic coast south of Buenos Aires, on November 21, 2017. An international search mission for the missing Argentine ARA San Juan submarine entered its sixth day Tuesday as uncertainty over the fate of its 44 crew members gave way to rising anguish for families troubled by earlier false hopes. / AFP PHOTO / EITAN ABRAMOVICH (Photo credit should read EITAN ABRAMOVICH/AFP/Getty Images)
A man waits in front outside Argentina's Navy base in Mar del Plata, on the Atlantic coast south of Buenos Aires, on November 21, 2017. Argentina's navy revealed Monday that a submarine missing for five days reported a mechanical breakdown in its final communication, and that weekend signals did not come from the vessel, dimming hopes for its 44 crew members. / AFP PHOTO / EITAN ABRAMOVICH (Photo credit should read EITAN ABRAMOVICH/AFP/Getty Images)
An Argentinian flag painted with a submarine is dislpayed as supportive message for the 44 crew members of Argentine missing submarine outside Argentina's Navy base in Mar del Plata, on the Atlantic coast south of Buenos Aires, on November 21, 2017. Argentina's navy revealed Monday that a submarine missing for five days reported a mechanical breakdown in its final communication, and that weekend signals did not come from the vessel, dimming hopes for its 44 crew members. / AFP PHOTO / EITAN ABRAMOVICH (Photo credit should read EITAN ABRAMOVICH/AFP/Getty Images)
Argentina's Navy destroyer ARA Sarandi sails off to take part in the search of missing submarine ARA San Juan, from the north breakwater of Argentina's Navy base in Mar del Plata, on the Atlantic coast south of Buenos Aires, on November 21, 2017. An international search mission for a missing Argentine submarine entered its sixth day Tuesday as uncertainty over the fate of its 44 crew members gave way to rising anguish for families troubled by earlier false hopes. / AFP PHOTO / EITAN ABRAMOVICH (Photo credit should read EITAN ABRAMOVICH/AFP/Getty Images)
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"When the submarine has no communication with land, it has to go to the surface, and so visual or radar detection is what is important," Argentine naval spokesman Enrique Balbi told reporters. "The search in the area remains hot."

The navy began an air and sea search on Thursday. On Friday afternoon, Argentina's foreign ministry said that the U.S., British and Chilean governments had offered logistical support and exchanges of information to assist with the search.

A Chilean aircraft with the ability to search during the night was en route to assist, Chile's Foreign Minister Heraldo Munoz said.

Balbi said the submarine, which left the southern city of Ushuaia for Mar del Plata, both in Argentina, had food supply for several days and would likely continue its journey despite communication problems.

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What life is like aboard a cramped nuclear submarine
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What life is like aboard a cramped nuclear submarine
RHU, SCOTLAND - JANUARY 20: Able Seaman Smith and Able Seaman Davies in their Bunkspace on HMS Vigilant, submarine on January 20, 2016 in Rhu, Scotland. HMS Vigilant is one of the UK's fleet of four Vanguard class nuclear-powered ballistic missile submarines carrying the Trident nuclear missile system. A decision on when to hold a key Westminster vote on renewing Trident submarine class is yet to be decided senior Whitehall sources have admitted. (Photo by Jeff J Mitchell/Getty Images)
RHU, SCOTLAND - JANUARY 20: Royal Navy security personnel stand guard on HMS Vigilant at Her Majesty's Naval Base, Clyde on January 20, 2016 in Rhu, Scotland. HMS Vigilant is one of the UK's fleet of four Vanguard class nuclear-powered ballistic missile submarines carrying the Trident nuclear missile system. A decision on when to hold a key Westminster vote on renewing Trident submarine class is yet to be decided senior Whitehall sources have admitted. (Photo by Jeff J Mitchell/Getty Images)
RHU, SCOTLAND - JANUARY 20: Lieutenant Alexandra Olsson in the control room on HMS Vigilant, submarine on January 20, 2016 in Rhu, Scotland. HMS Vigilant is one of the UK's fleet of four Vanguard class nuclear-powered ballistic missile submarines carrying the Trident nuclear missile system. A decision on when to hold a key Westminster vote on renewing Trident submarine class is yet to be decided senior Whitehall sources have admitted. (Photo by Jeff J Mitchell/Getty Images)
RHU, SCOTLAND - JANUARY 20: Royal Navy personnel respond to a fire in a control room of a Vanguard Class ship simulator at Her Majesty's Naval Base, Clyde on January 20, 2016 in Rhu, Scotland. HMS Vigilant is one of the UK's fleet of four Vanguard class nuclear-powered ballistic missile submarines carrying the Trident nuclear missile system. A decision on when to hold a key Westminster vote on renewing Trident submarine class is yet to be decided senior Whitehall sources have admitted. (Photo by Jeff J Mitchell/Getty Images)
RHU, SCOTLAND - JANUARY 20: Lieutenant Benson and WOZ Firth in the missile compartments on HMS Vigilant, submarine on January 20, 2016 in Rhu, Scotland. HMS Vigilant is one of the UK's fleet of four Vanguard class nuclear-powered ballistic missile submarines carrying the Trident nuclear missile system. A decision on when to hold a key Westminster vote on renewing Trident submarine class is yet to be decided senior Whitehall sources have admitted. (Photo by Jeff J Mitchell/Getty Images)
RHU, SCOTLAND - JANUARY 20: WOZ Johnston in the weapons room on HMS Vigilant, submarine on January 20, 2016 in Rhu, Scotland. HMS Vigilant is one of the UK's fleet of four Vanguard class nuclear-powered ballistic missile submarines carrying the Trident nuclear missile system. A decision on when to hold a key Westminster vote on renewing Trident submarine class is yet to be decided senior Whitehall sources have admitted. (Photo by Jeff J Mitchell/Getty Images)
RHU, SCOTLAND - JANUARY 20: WOZ Gray makes his way through a hatch on HMS Vigilant, submarine on January 20, 2016 in Rhu, Scotland. HMS Vigilant is one of the UK's fleet of four Vanguard class nuclear-powered ballistic missile submarines carrying the Trident nuclear missile system. A decision on when to hold a key Westminster vote on renewing Trident submarine class is yet to be decided senior Whitehall sources have admitted. (Photo by Jeff J Mitchell/Getty Images)
RHU, SCOTLAND - JANUARY 20: Surgeon Lieutenant Tweed poses in the sickbay on HMS Vigilant, submarine on January 20, 2016 in Rhu, Scotland. HMS Vigilant is one of the UK's fleet of four Vanguard class nuclear-powered ballistic missile submarines carrying the Trident nuclear missile system. A decision on when to hold a key Westminster vote on renewing Trident submarine class is yet to be decided senior Whitehall sources have admitted. (Photo by Jeff J Mitchell/Getty Images)
RHU, SCOTLAND - JANUARY 20: Chef Sewell prepares a curry in the Galley on HMS Vigilant, submarine on January 20, 2016 in Rhu, Scotland. HMS Vigilant is one of the UK's fleet of four Vanguard class nuclear-powered ballistic missile submarines carrying the Trident nuclear missile system. A decision on when to hold a key Westminster vote on renewing Trident submarine class is yet to be decided senior Whitehall sources have admitted. (Photo by Jeff J Mitchell/Getty Images)
RHU, SCOTLAND - JANUARY 20: Junior rates relax in the mess playing a playstation on HMS Vigilant, submarineon January 20, 2016 in Rhu, Scotland. HMS Vigilant is one of the UK's fleet of four Vanguard class nuclear-powered ballistic missile submarines carrying the Trident nuclear missile system. A decision on when to hold a key Westminster vote on renewing Trident submarine class is yet to be decided senior Whitehall sources have admitted. (Photo by Jeff J Mitchell/Getty Images)
RHU, SCOTLAND - JANUARY 20: Junior rates relax in the mess playing Vickers on HMS Vigilant, submarine on January 20, 2016 in Rhu, Scotland. HMS Vigilant is one of the UK's fleet of four Vanguard class nuclear-powered ballistic missile submarines carrying the Trident nuclear missile system. A decision on when to hold a key Westminster vote on renewing Trident submarine class is yet to be decided senior Whitehall sources have admitted. (Photo by Jeff J Mitchell/Getty Images)
RHU, SCOTLAND - JANUARY 20: STD Skinner poses in the Wardroom on HMS Vigilant, submarine on January 20, 2016 in Rhu, Scotland. HMS Vigilant is one of the UK's fleet of four Vanguard class nuclear-powered ballistic missile submarines carrying the Trident nuclear missile system. A decision on when to hold a key Westminster vote on renewing Trident submarine class is yet to be decided senior Whitehall sources have admitted. (Photo by Jeff J Mitchell/Getty Images)
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(Reporting by Jorge Otaola, Nicolas Misculin and Maximilian Heath; Additional reporting by Fabian Cambero in Santiago; Writing by Cassandra Garrison and Luc Cohen; Editing by Bernadette Baum and Alistair Bell)

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