|
Use our "Random Page"
button to randomly browse our cool website! |
|
|
|
|
|
Looks really fun and thrilling. |
A submarine is a watercraft that can operate underwater.
Submarines were first widely used in World War I
and are used by all major navies today. Civilian
submarines and submersibles are used for marine
and freshwater science and for work at depths too
great for human divers... |
|
|
|
|
|
|
|