BATTLE OF KOREA: Profit & Loss

On the scarred and blood-soaked central front last week, the tirelessly burrowing Chinese Reds eluded the full brunt of U.N. artillery and air by shrewd use of caves, tunnels, deep approach trenches. They attacked mostly at night, when U.N. close-support planes were on the ground. Flares, star shells, tracers and the full moon gave some light, but not enough for the day-loving U.N. The Chinese used mortar smokeshells to hide their movements by day. On attack, they advanced recklessly through their own or U.N. artillery fire, and when Communist and U.N. units were closely engaged, the Chinese put their...