The USS Scorpion (SSN-589) vanished in 1968 under mysterious circumstances, taking 99 crew members with her to the bottom of the Atlantic. Decades later, her loss remains one of the U.S. Navy’s most ...

USS Texas (SSN 775), Pearl Harbor ... construction began in March 2012. Indiana (SSN 789) - No homeport, construction began September 2012. South Dakota (SSN 790) - Under contract.