On the morning of July 2, 2012, in the most dangerous warzone in the world, Lieutenant Clint Lorance took command of his small band of American paratroopers at the spearhead of the American War in Afghanistan. Intelligence reports that morning warned of a Taliban ambush against Lorance's platoon. Fifteen minutes into their patrol, three military-age Afghan males crowded on a motorcycle and sped aggressively down a Taliban-controlled dirt road toward Lorance's men. Three weeks earlier, outside the massive American Kandahar Airfield, Taliban terrorists struck by motorcycle, riding into a crowded area, detonating body-bombs and killing twenty-two people. Sixty-three days before...