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the oldest submarine was made in 1620.

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Currently as of May 2010, the oldest working submarine in the US Navy is the USS Philadelphia SSN 690. The keel was laid down in August of 1972, and was commissioned June 25, 1977. She is a Los Angeles Nuclear Attack Submarine. In a formal ceremony in her homeport at the Groton Naval Base on June 25, 2010 the USS Philadelphia SSN 690 will be decommissioned after serving 33 years.

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15y ago

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