- By Wilson P. Dizard III
- Jun 26, 2002
Signal intelligence has been important to homeland defense since the Revolutionary War.
The National Security Agency's Cryptology Museum near Fort Meade, Md., displays the history and tools of the trade, such as a Colonial-era cipher wheel.
A Cray X-MP computer illustrates NSA's computer assets, which reportedly cover several acres. Visit www.nsa.gov/museum