The sound of the UH-60 Blackhawk helicopters echoed off the rugged, snowy ridges, almost 9,000 feet up in the mountains of eastern Afghanistan, near the Pakistan border. In the dim first light of dawn, the men of U.S. Army Special Forces detachment Alpha 732 were scanning the fog-bound boulders and trees, searching for Taliban fighters... Ten months later, home from Afghanistan at Hawaii's Camp H.M. Smith, Sgt. Sar stood at attention as he received the Silver Star, the nation's fourth-highest award for valor in combat. He was a reluctant recipient. He felt that what he had done that day in...