A sunken Soviet submarine packed with nukes. A window for America to gain the upper hand in the Cold War. A CIA cover story worth three billion dollars. I give you Project Azorian, or how the U.S. tried to steal a Soviet sub.

It’s the late 1960s.

Nuclear submarines are a key cog in a country’s deterrence capability. ICBM silos could be located or betrayed. But a sub slithering through the cold oceans ensures that no strike would ever go unavenged.

March 1968 — North Pacific Ocean.