The Hyper-Sub: Boat/Submarine Hybrid Submersible Powerboat

As a young boy, Reynold Marion was fascinated with submarines. When he was 11 years old, he built a fully-submersible river raft made from 55-gallon drums! It worked - once.

Now, Reynold had made his dream a reality: he built a boat/submarine hybrid submersible powerboat (called the Marion Hyper-Sub). This one's a prototype named The Fathom: Link | Video [YouTube] - Thanks Jon Jason!

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Hm... I thought that boats go on the water and submarines are, well, submarines (like they dive and such). Showed how much I know about the subject.

In my defense, I get seasick easily and thus avoided all sort of vessels that go on the water.
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