A former top-secret component of France’s nuclear deterrent is now open for public tours in Cherbourg. The 128-meter-long nuclear submarine resides in a dry dock, offering visitors a unique opportunity to explore its inner workings. Previously shrouded in secrecy, the submarine now provides insight into France’s Cold War-era defense strategies. Located in Cherbourg, the vessel allows guests to walk through the compartments and learn about life onboard a nuclear-powered submarine. The opening of the submarine is attracting both history enthusiasts and those curious about military technology. It represents a remarkable shift from a symbol of concealed power to a public historical exhibit in Cherbourg.