How deep can you deep dive?

How deep can you dive without decompression?

There’s a bit of physics and physiology involved in a full explanation, but the short answer is: 40 metres/130 feet is the deepest you can dive without having to perform decompression stops on your way back to the surface.

How deep can navy divers go?

First class divers could work 300 ft (91 m) depths while salvage and second class divers were qualified down to 150 ft (46 m).

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