Since early history, the maritime forces of the world have patrolled international waters. Through the centuries, these wooden beasts evolved into floating metal cities loaded with cutting-edge technology and lethal abilities unknown to most. Many traditional warships we know well — while many have remained hidden from public view. But don’t be fooled: even common-looking ships have amazing tech and maritime marvels hiding below their decks.
Here are the 30 most secretive, lethal and futuristic warships in use by Navy’s around the world — including the US. And once you get a glimpse of the outlandish tech China and Russia are working on, the US Navy may have met its match. Click below to see these floating fortresses.