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Station HYPO

Celebrating the Past, Present and Future of Navy Cryptology

The Wall of Silence

On February 22, 1996, National Security Agency/Central Security Service dedicated the Memorial Wall in OPS2B to those who sacrificed their lives.

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My Time at Imperial Beach 1956 (Guest Post)

By Robert Gibson “Bob” Corder

I joined the Navy in 1955 after graduating from high school (in Virginia), primarily because my parents couldn’t afford to send me to college.
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Traffic Analysis (Part 4 of 4)

Not only did traffic analysis aide cryptanalysts in their attack on encrypted text messages, but in a wartime situation it provided valuable order of battle, force disposition and movement intelligence information to the U.S. surface and submarine attack forces!

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Traffic Analysis (Part 3 of 4)

Throughout the period prior to World War Two, all OTRG operators were busy following the patterns of communications operated by the Japanese Navy.
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The Corrected Version of the CRYPTOLOGY / Information Warfare Seal

The spark has been corrected!

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Traffic Analysis (Part 2 of 4)

Traffic analysis, as presented in this post, is based on the experience of members of the On-The-Roof Gang (OTRG) from its origin into World War Two, with one principal target – the Imperial Japanese Navy.

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