TAJI, Iraq - (KRT) - The Black Hawk helicopter flew low and fast over the bright lights north of Baghdad, then suddenly the lights were gone. In the darkened cockpit, the two pilots could make out an expanse of date palms through their night-vision goggles. "Two-point-five kilometers to LZ. Tell him to start the buzz saw," said 28-year-old Capt. Jeremy Loeb, of Hamburg, Pa. In a clearing 50 feet below, an infantry soldier began twirling a chemical light - mimicking a glowing circular saw - to signal his unit's position to the helicopter. Within seconds, the 10-ton airship hit the...