Developed in the ‘60s at the height of the Cold War, it remains the fastest of its kind till this very day. Its propulsion system was so powerful that it required an overhaul after a single high-speed mission. It could operate at unrivaled elevations, was ridiculously expensive to operate and its very existence sent the US into a frenzy trying to counter it.
Chesapeake Bay (July 30 - The nuclear powered attack submarine USS Albany (SSN transits the Chesapeake Bay as it returns from a scheduled six-month deployment. Navy photo by Photographers Mate Class Steven J.