The First Cavalry Division came under surprise attack in Sadr City on April 4, 2004, now known as 'Black Sunday.' On the homefront, over 7,000 miles away, their families awaited the news for forty-eight hellish hours-expecting the wor...

NOW A NATIONAL GEOGRAPHIC MINISERIES EVENTABC News' Chief Global Affairs Correspondent Martha Raddatz shares remarkable tales of heroism, hope, and heartbreak in her account of "Black Sunday"—a battle during one of the dea...