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Cryptologic History

Every little bit helps the NCF to influence the cryptologic future by sharing our educational resources, stimulating new knowledge, and commemorating our heritage.

"On This Date in Cryptologic History" Calendar

1943: Establishment of the 805th Signal Service Company for operation of the SIGSALY.

Tuesday, February 10, 2026

10 February 1943: Establishment of the 805th Signal Service Company for operation of the SIGSALY.

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Learn About the Pioneers

Learn about the various individuals and groups who paved the way in the field of cryptology, cyber, computers, and more.