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Celebrating the Past, Present and Future of Navy Cryptology

Month

April 2018

How VQ-1 Supported Military Actions with SIGINT during Vietnam (Part 2 of 7) Guest Post

Introduction/Background 

Initial United States interest in Vietnam dates back to the Second World War when the US supported Allied efforts to expel the Japanese occupiers.

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How VQ-1 Supported Military Actions with SIGINT During Vietnam (Part 1 of 7) Guest Post

The history of the Vietnam War would not be complete without some recounting of the role played by Navy Signals Intelligence (SIGINT).
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Remembering Shootdown of EC-121M (PR 21), April, 15, 1969 – 31 Crew members KIA

On April 15, 1969 a U.S. Navy VQ-1 EC-121M (callsign, “Deep Sea 129”) flew a routine Beggar Shadow reconnaissance mission over the Sea of Japan.  At roughly 1347 local time, while approximately 90 NM off the North Korean coast, the aircraft was shot down by two North Korean MiG-21 fighters.  All 31 crewmen were killed.
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Remembering Herbert Osborn Yardley, an American Cryptologist

Born on April 13, 1889 in Indiana, Herbert O. Yardley learned to use the telegraph from his father, Robert Kirkbride Yardley, a station master and telegrapher for a railroad.
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Remembering LCDR James H. Overstreet, KIA, EC-121M Shootdown

Lieutenant Commander James Overstreet was the pilot of the EC-121M that was shot down by North Korea.

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Remembering Crew Members of U.S. Navy PB4Y-2 Shoot Down, April 8, 1950 – And Shocking Cold War Case Study

On April 8, 1950, Soviet Lavochkin La-11 fighters shot down a US Navy PB4Y-2 Privateer (BuNo 59645) over the Baltic Sea, off the coast of Liepāja, Latvia.
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