File photo taken on June 2, 2014 shows the Argentine submarine ARA San Juan. An Argentinean submarine has lost contact in the South Atlantic with 44 crew on board, military authorities said on Nov. 17, 2017. The ARA San Juan was carrying out a surveillance mission in Argentina's exclusive economic zone near Puerto Madryn, around 1,400 km south of Buenos Aires. (Photo/Agencies)
A car enters the Argentine Naval Base where the missing at sea ARA San Juan submarine sailed from as a picture of it hangs on a fence in Mar del Plata, Argentina November 19, 2017. Words in the picture read "Come on 'men of steel', we wait for you at home". An Argentinean submarine has lost contact in the South Atlantic with 44 crew on board, military authorities said on Nov. 17, 2017. The ARA San Juan was carrying out a surveillance mission in Argentina's exclusive economic zone near Puerto Madryn, around 1,400 km south of Buenos Aires. (Photo/Agencies)
File photo taken on June 2, 2014 shows the Argentine submarine ARA San Juan. An Argentinean submarine has lost contact in the South Atlantic with 44 crew on board, military authorities said on Nov. 17, 2017. The ARA San Juan was carrying out a surveillance mission in Argentina's exclusive economic zone near Puerto Madryn, around 1,400 km south of Buenos Aires.(Photo/Agencies)