Vietnam-era Radiomen life expectancy was 5 seconds | At the height of the Vietnam War, up-and-coming commo guys would walk into a classroom and see a huge number five written on the
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NSA/CSS on Twitter: "During the Vietnam War, the Army used PRD-1 direction- finder with an R395 receiver to find the direction of enemy radio transmitters. They were dangerous to use in the
PHUOC TUY PROVINCE, SOUTH VIETNAM. 1968-05. RADIO OPERATOR PRIVATE PETER CLARK, 22, OF ... | Australian War Memorial
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They Assumed the Enemy in Vietnam Was Incapable of Intercepting Radio Communications. They Were Wrong
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