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Station HYPO

Celebrating the Past, Present and Future of Navy Cryptology

Part 1 of 5: Battle of Coral Sea – What Was the “RZP” Campaign?

Located on the southern coast of New Guinea, Port Moresby was important because any allied attack north through New Guinea towards Rabaul required Port Moresby as a base.
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Remembering the Crew of EC-121 Beggar Shadow Shoot Down

Pictures of the crew:

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The Story of EC-121 Beggar Shadow Shoot Down

On April 15, 1969, a Navy EC-121M reconnaissance aircraft (PR-21/BuNo 135749) of Fleet Air Reconnaissance Squadron One (VQ-1) with a crew of 31, including nine Naval Security Group (NAVSECGRU) and Marine linguists, took off from Atsugi Naval Air Station, Japan on a routine Beggar Shadow SIGINT collection mission over the Sea of Japan.
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Honoring CTRCM(SW) Christopher L. Vertin, 9th CNSG FORCM

Born at Holloman Air Force Base in El Paso, Texas on April 10, 1956 and growing up in Seattle, Washington and Southern California, CTRCM(SW) Christopher L. Vertin, the Naval Security Group’s ninth Force Master Chief, joined the Navy in August 1974.

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Remembering the crew of PB4Y-2 Privateer

67 years ago today, on April 8, 1950, 10 crewmen of PB4Y-2 Privateer 59645 were the first to be MIA during the Cold War!

The Official Position of the United States
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The Power of SIGINT!

On April 7, 1945 the Yamato, a Japanese battleship, sunk off Okinawa, largely due to SIGINT tipoffs.
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