On January 26, 1945, Audie Murphy and some 40 U.S. troops sat shivering in a frigid, snow-covered clearing near the Alsatian town of Holtzwihr. The battle-weary soldiers had been ordered to hold a vital roadway until reinforcements arrived, but the operation was delayed and the promised relief was nowhere to be seen. Just after 2 p.m., the winter stillness was suddenly broken by the thunderclap of an enemy artillery barrage. In the distance, some 250 German troops and six tanks emerged from the woods. As he watched the Germans line up for an attack, Murphy felt a wave of panic...