• We saw a compartment on the USS John Warner called a “lockout trunk.”
  • Lockout trunks are used as an escape hatch for the crew and to get SEALs off the ship.

During our recent tour of the USS John Warner nuclear-powered submarine, we got a chance to see a small compartment known as a “lockout trunk.”

“This is actually how we would get SEALs off the ship submerged,” Senior Chief Mark Eichenlaub told Business Insider.

“So you would stick a platoon of SEALs in here, 14 guys … you fill this chamber with water until you match the outer sea pressure. Once the pressure in and outside the ship match, the hatch will lift off open, and they can swim out of a fully filled chamber into open ocean.”


Read the whole story from Business Insider.

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