Arlington Hall

Arlington Hall (also called Arlington Hall Station) is a historic building in Arlington, Virginia. Originally it was a girls' school and later the headquarters of the United States Army's Signal Intelligence Service (SIS) cryptography operations during World War II. The site houses the George P. Shultz National Foreign Affairs Training Center and the Army National Guard's Herbert R. Temple Jr. Readiness Center. It is located on Arlington Boulevard (U.S. Route 50) between S. Glebe Road (State Route 120) and S. George Mason Drive.