USS SCORPION (SSN 589) was returning to Norfolk, VA. from a Mediterranean deployment. On 22 MAY 1968, shortly after midnight, she reported her position to be about 50 miles south of the Azores. Her last transmission ended at 0302.
USS SCORPION was never heard from again.
Later information has determined the time of the hull collapse as 1842 UDT on 22 MAY 1968 at a depth of 1525 feet, taking with her ninety-nine officers and men.
The exact cause of her loss has never been determined.