70 years ago today USS Nautilus (SSN 571) began her shakedown cruise during which she hit the highest sustained speed for a submerged cruise ever recorded up to that point in history. Posted byDavid Arkwright12/05/202512/05/2025Posted inUncategorizedTags:Blogger, IFTTT from Blogger https://ift.tt/jC0dR8Qvia IFTTT Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like Loading... Related