Intelligence Failure In Korea:

In November, 1950, the United States Army suffered one of its most devastating defeats ever, in the frozen mountains of North Korea at the hands of the Chinese People's Liberation Army. This defeat fundamentally changed the nature of the Korean War, from a near-certain United Nations victory into a fight for its very survival. It was, however, avoidable. This Chinese victory was partially the result of one of the most glaring failures in U.S. military intelligence history. The officer most respo