On a submarine, there are a million and one things that can go wrong. And when they do, the crew must lean on its training ...

If it is red, that hatch is open. When you are diving, you want what's called a green board." Compressed air had many crucial jobs on a submarine. It started the engines, fired torpedoes ...

The submarine’s ... caused the escape hatch to explosively decompress, killing two crew and knocking another two unconscious, including the Captain. Only one man swam away with his life.

In an emergency, there are two ways the escape trunk can be used to get men off the submarine ... two men enter the trunk they lock the inner hatch and quickly flood the chamber with seawater ...

If it is red, that hatch is open. When you are diving, you want what's called a green board." The compressed air manifold distributed compressed air throughout the submarine. Compressed air had many ...