On May 13, 1961, the Army Security Agency’s (ASA) Third Radio Research Unit arrived in Saigon to provide support to the South Vietnamese military. Its location was the first of many conventional sites that US. cryptologists would establish in South Vietnam.
In the spring of 1975, as the South Vietnamese military crumbled under North Vietnamese attacks, a relative handful of NSA employees m Saigon continued to provide SIGINT support to the Americans still m country, mostly m the U.S. embassy.
Continue reading “Bittersweet Departure: The Final Days of NSA in Saigon”
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