(Excerpt) Continued....


Hill 395 was located at a strategic point in central Korea, and its loss
would have endangered other UN positions, in that region. In
October 1952, the Chinese attacked the hill, which was defended
largely by ROK Army units, with U.S. artillery and air support and
French infantry. A standard history of the Korean war notes that
"pre-battle preparation, made possible by effective intelligence,
added to well-trained troops, skillfully employed, and backed by
coordinated air, armor, and artillery support, demonstrated what
might be accomplished on defense." The standard history could not
say how good the intelligence was.

Warning of the battle came first from an intercepted Chinese
message, prompting ASA to establish a field intercept site for
tactical COMINT during the battle. Prior to the battle, this site
identified the Chinese units assembled for the attack, then
accurately predicted the date and time of the first wave. Low-level
intercept kept the UN forces informed of the location of Chinese
units during the battle, and artillery fire was targeted on the basis of
COMINT.

Submitted by Chuck Kelly ASA Korea member
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