French submarine Saphir (S602). Wikipedia
Kyle Mizokami, National Interest: In 2015, a 30 Year Old French Nuclear Submarine 'Sank' a U.S. Aircraft Carrier
In March 2015, one of the largest nuclear-powered warships in the world was “sunk” by one of the smallest.
The Saphir, a French nuclear attack submarine, reportedly penetrated the defenses of the aircraft carrier USS Theodore Roosevelt and scored simulated torpedo hits on her. The incident, originally reported by the French Navy, was later suppressed.
On March 4th, 2015 the French Navy announced in a blog post that the submarine Saphir (“Sapphire”) had simulated stalking and killing the carrier USS Theodore Roosevelt. Not only was the nuclear-powered aircraft carrier simulated sunk but an unknown number of her escorts. The post was later removed without comment from the blog.
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WNU Editor: Apparently the French suppressed the report that they were successful in"sinking" the USS Theodore Roosevelt because they did not want to embarrass the Americans. Too bad .... I would have publicised it to high heaven.