From the Smithsonian Channel

A Submarine Dangerously Tests How Deep It Can Go

Name: A Submarine Dangerously Tests How Deep It Can Go
Uploaded: 2018-09-13
Duration: 104885
Description: The USS Tang was a state-of-the-art Balao class submarine, certified by the Navy to dive up to 400 feet. But in order to test her for battle, commander Dick O'Kane decides to take her even deeper.

The USS Tang was a state-of-the-art Balao class submarine, certified by the Navy to dive up to 400 feet. But in order to test her for battle, commander Dick O'Kane decides to take her even deeper.

Smithsonian magazine | 1:44