All Quiet On The Yalu Front

Intelligence failure in Korea

May 02, 2022

∙ Paid

A radio direction-finding antenna system of the US Army 236th Communications Reconnaissance Company in Korea, 1951

Rugged terrain makes the Korean peninsula a tricky environment for ground-based radio direction finding. Nevertheless, the Army Security Agency (ASA) spun up a substantial signals intelligence (SIGINT) operation in six weeks, proved vital to…

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