The Argentinian navy on Monday detected noises that officials believe could be from Argentina's missing submarine, the ARA San Juan.
The San Juan, which has a crew of 44, was last heard heard from on Wednesday before it went missing in the Atlantic Ocean.
A senior U.S. Navy official familiar with the service's assistance in the search for the submarine told CNN that the sonar systems of two ships picked up noises that sounded like tools being banged against the hull of a submarine.
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The San Juan, which has a crew of 44, was last heard heard from on Wednesday before it went missing in the Atlantic Ocean.
A senior U.S. Navy official familiar with the service's assistance in the search for the submarine told CNN that the sonar systems of two ships picked up noises that sounded like tools being banged against the hull of a submarine.
More
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