Join a docent and virtually explore the galleries of the National Cryptologic Museum, located adjacent to the NSA Headquarters in Fort Meade, MD. Here visitors catch a glimpse of some of the most dramatic moments in the history of American cryptology: the people who devoted their lives to cryptology (aka the art of writing and solving codes) and national defense, the machines and devices they developed, the techniques they used, and the places where they worked. Sponsored by Chevy Chase At Home.