Jack- If a sub sinks in the ocean, I assume the sailors can escape by
swimming to
the surface. But what is the maximum depth that a person could do an
emergency swimming ascent from a disabled sub? BRBR

A sub with or without a tailhook?
P. C. Chisholm
CDR, USN(ret.)
Old Phart Phormer Phantom, Turkey, Viper, Scooter and Combat Buckeye Phlyer