The Coffin Sub

Overview

In 1939, the state of the art USS Squalus submarine sank to the ocean floor during a routine test dive. Trapped 240 feet below the surface in freezing darkness, 33 survivors faced a ticking clock of dwindling oxygen. Discover the harrowing true story of agonizing life-or-death decisions, incredible heroism, and the unprecedented 40-hour rescue mission that made naval history.