Watch Regulus: The First Nuclear Missile Submarines

"Regulus" chronicles a nearly-forgotten piece of Cold War history. In the 1950s, faced with the grim calculus of "mutually assured destruction", the U.S. Navy began trying to develop a submarine-based nuclear deterrent to safeguard the USA. Features interviews with weapons designers and test pilots, submarine captains and crew members, and stunning footage specifically declassified for the film.

Regulus: The First Nuclear Missile Submarines is a 2002 documentary with a runtime of 48 minutes. It has received mostly positive reviews from critics and viewers, who have given it an IMDb score of 7.6.