Submarine

* The Shih-huang-ti, a Chinese submarine from which the Shi in San Francisco came from in Fallout 2.
* The USS Interference, an American submarine, mentioned in Fallout 3.
* The SSN-37-1A, a Chinese submarine sent to patrol hostile waters surrounding Point Lookout in the Fallout 3 add-on Point Lookout.
** Submarine self-destruct codes, a quest item in the Fallout 3 add-on Point Lookout.
* The Yangtze, a stranded Chinese submarine in Fallout 4.
* The USS Democracy, an American submarine in the Fallout 4 add-on Far Harbor.