With shocking suddenness the U.N. victory march in Korea was stopped, and hurled back. Driven from advanced positions near the Manchurian border (see below), U.N. troops settled grimly to holding a defense line which in some places was only 45 miles north of Pyongyang. Generals who two weeks before had promised to have their forces on the Yalu River in a matter of days now discussed a "winter war." Said one U.S. officer grimly: "I think we can hold them."
"Alien Forces." How had a seemingly sure victory been snatched from the U.N.'s grasp? The first official explanation came in...