Btw, the US National Cryptologic Museum is well worth a stop if you're ever near Fort Meade, MD. I stopped in on a weekday morning and got a hour-long personal

Btw, the US National Cryptologic Museum is well worth a stop if you're ever near Fort Meade, MD. I stopped in on a weekday morning and got a hour-long personal tour by a very knowledgeable ex-NSA guide. https://www.nsa.gov/about/cryptologic_heritage/museum/ https://www.nsa.gov/about/cryptologic_heritage/museum/