And finally, we have Lemons himself, who remained an active diver for 11 years after his near-death experience before ...

On November 5, 1983, the Byford Dolphin incident shocked the offshore drilling industry, when routine maintenance work ended with workers dying instantly and one escaping with lifechanging injuries.

Despite rumors that deep-sea dives shorten lifespans and that there aren't divers past the age of 35, Callahan says he works with everyone from 18 to 65. A large part of why they can dive for so ...