What You Didn't Know About Life On A Submarine

Rescue Chamber

One of the most common types of escape hatches on a submarine is the rescue chamber or escape trunk.

The rescue chamber is a small chamber that is pressurized to match the water pressure outside the submarine. Crew members can enter the rescue chamber and close the hatch behind them. Once the hatch is sealed, the chamber can be flooded, and crew members can open a top hatch to escape to the surface.

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