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Celebrating the Past, Present and Future of Navy Cryptology

The Real-Life Hunt For Red October Happened 50 Years Ago

The mutiny aboard a Soviet warship in November 1975 led to a chase across the Baltic Sea, involving everything the Soviets had available.

Naval mutinies have long captured the public imagination, but, for the most part, open rebellions on the high seas are consigned to the Age of Exploration, in centuries past. One notable exception occurred in the Soviet Navy 50 years ago this month and, based on available evidence, almost led to the use of nuclear weapons. The mutiny aboard the frigate Storozhevoy is all the more remarkable for the fact that the Kremlin attempted to cover up its existence, with details only emerging in public a decade after its bloody end.

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1 December 1887: The Birth of U.S. Naval Cryptology

Featured image: Navy Code books at the Command Display, Corry Station, Pensacola

How the Navy’s First Secret Code Laid the Foundation for Modern Information Warfare

When the U.S. Navy introduced its first standardized cryptographic system on 1 December 1887, the event passed quietly—just a set of printed books issued to ships and shore stations. Yet this unassuming “U.S. Navy Secret Code” marked a transformational milestone: the moment the Navy began treating secure communication as a core warfighting requirement. In an era when telegraphy made long-distance communication possible but dangerously exposed, the 1887 system provided the first serious defense against interception, espionage, and foreign intelligence gathering.

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NSGD Sugar Grove WV Established, December 1, 1968

On December 1, 1968, Naval Security Group Detachment Sugar Grove was established. It became a Naval Security Group Activity (NSGA) when the Naval Radio Station was closed in November, 1995.

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A Look Back at the CDOC, forerunner of CWOBC

39 years ago, the Cryptologic Division Officer Course (CDOC) was first instructed to young and inspiring naval officers.  From the rank and number of officer instructors, to the length of CDOC and follow on training, this is how cryptologic officer training priorities and investment looked like in 1986.

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Remembering CTRCS David “Blake” McLendon

CTRCS David “Blake” McLendon
29 Nov 1979 – 21 Sep 2010

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Remembering Christian Doppler (1803–1853): The Physicist Behind the Doppler Effect

Christian Andreas Doppler was an Austrian physicist and mathematician whose 1842 description of what we now call the Doppler Effect fundamentally changed the understanding of wave phenomena. His insight—that the observed frequency of a wave depends on the relative motion between the source and the observer—forms a cornerstone of modern physics, astronomy, and engineering.

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