A commercial diver with decades of experience provided some insight on how the water recovery process takes place and what hazards need to be accounted for.

In 1991, four commercial divers found themselves trapped in a sinking oil barge. With only seconds to escape, their fight for survival became one of the most chilling diving accidents ever recorded.

A commercial diver with decades of experience provided some insight on how the water recovery process takes place and what hazards need to be accounted for.