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The Submarine Escape Training Facility, located at HMAS Stirling on Garden Island, gives submariner applicants the training required to escape from a submarine that has become disabled. Inside the building is a pool approximately 20 meters deep from which candidates swim to the top from the bottom. The purpose of this is to give the candidate an understanding that they must breathe out quickly to avoid their lungs from bursting. It is the only submarine escape training system in the southern hemisphere.
