Station HYPO

Celebrating the Past, Present and Future of Navy Cryptology



NSGA Hanza: The 1960s and AN/FRD-10 CDAA (Part 3 of 5)

In January 1970, Congress was informed that NSGA Hanza was assigned the mission for providing support to the U.S. Navy which consists of high frequency direction finding (HFDF), Communication Security (COMSEC) and other Naval Security Group functions. Congress was told that the activity receives assistance in services and facilities from nearby Torii Station. The site occupied 132 acres by the 1970s.

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NSGA Hanza: Futenma, 1955-60 (Part 2 of 5)

The NSG moved from Tengan to Futenma in July 1955. According to Captain George McGinnis, who was the commanding officer at Futenma from August 1957 to June 1959, ‘the US Army wanted the site at Tengan so some ignorant Navy type in Tokyo swapped the good site [at Tengan] for the very poor one at Futenma’.
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NSGA Hanza (Part 1 of 5)

The history of NSGA Hanza can be traced to July 1945 after Okinawa was captured and a radio interception and DF station in Quonset huts was established near the small town of Aragusuku just over one mile inland from Sobe.

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It Comes with a Price

In 1979, the Naval Security Group Headquarters requested the Acoustical Sciences Division, Naval Aerospace Medical Research Laboratory (NAHRL), to determine the extent to which radio headsets being used at naval communication stations posed a potential damage risk to hearing.
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Remembering the Attack on USS LIBERTY

On June 8 1967, the USS LIBERTY (AGTR-5) was attacked in international water by Israeli forces killing 34 Americans and wounding another 171.  Seven out of every 10 crew members was either killed or injured.

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Remembering RADM Joseph Wenger

Rear Admiral Joseph Numa Wenger
June 7, 1901 – September 21, 1970

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