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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

1949: AFSA Assumed Cryptologic Activities

Wednesday, October 1, 2025

1 October 1949: AFSA assumed operational control of cryptologic activities.

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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.