Welcome to the National Cryptologic Museum Foundation. The NCMF directly supports the National Cryptologic Museum (NCM), the first public museum in the U.S. Intelligence Community.

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Polish mathematicians & code breakers made the first breakthroughs against Nazi Germany's Enigma code.......

1942: Signal Intelligence Service took possession of Arlington Hall.

Friday, June 14, 2019
1942: Signal Intelligence Service took possession of Arlington Hall.

14 June 1942: The Signal Intelligence Service took possession of Arlington Hall. SIS was an early predecessor to the NSA and later appropriated by the National Security Council who reappointed the resources into the modern National Security Agency. William Friedman began the division with three "junior cryptanalysts" in April 1930. Their names were Frank Rowlett, Abraham Sinkov, and Solomon Kullback.

Excerpted from NSA document - Pearl Harbor Review: Signal Intelligence Service (see link below)

"It should be remembered that SIS was not attached to the Army's intelligence organization. Military Intelligence considered cryptanalysis merely an adjunct of cryptography, which belonged in the Signal Corps. This situation continued until early in the war.

SIS began with purposes other than foreign intelligence; it was to compile systems for Army use and prepare cryptanalysts for wartime operations. Again like its counterpart, SIS produced valuable information almost as a by-product of training and was transformed into a production office for current COMINT."

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THIS MONTH on the

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  • Birthday of cryptologic machine designer Edward Hebern. Hebern's five-rotor cipher machine is cryptologically significant as part of the overall evolution in U.S. manufactured rotor devices. The National Cryptologic Museum has two very rare five-rotor Hebern cipher machines in its collection.

About Us

The NCMF directly supports the National Cryptologic Museum (NCM), the first public museum in the U.S. Intelligence Community. We think you will agree it is truly a "museum like no other."

Located adjacent to the National Security Agency (NSA) in Maryland, the NCM houses a priceless collection of artifacts that represent our Nation's history in code making and code breaking, as well as a world class library of cryptologic media. The NCMF acquires the best artifacts for the NCM and supports new educational and interactive exhibits.

The NCMF provides exceptional cryptologic programs throughout the year, encourages young minds to explore cryptology and innovation through valued awards, and hosts educational, cryptology-related exhibits at various community events.

As part of the Foundation's partnership with NSA to build the Cyber Center for Education and Innovation - Home of the National Cryptologic Museum (CCEI-NCM), the NCMF also serves as a leader in the field of cybersecurity - striving to provide the best in educational resources and programs.

The NCMF and NCM share a joint three-fold mission to Educate, Stimulate, and Commemorate. Learn more about our MISSION.