During the first week of the war in Iraq, a Military Times photographer captured the arresting image of Army Spc. Joseph Patrick Dwyer as he raced through a battle zone clutching a tiny Iraqi boy named Ali.

The photo was hailed as a portrait of the heart behind the U.S. military machine, and Doc Dwyer's concerned face graced the pages of newspapers across the country.

But rather than going on to enjoy the public affection for his act of heroism, he was consumed by the demons of combat stress he could not exorcise. For the medic who cared for the wounds of his combat buddies as they pushed toward Baghdad, the battle for his own health proved too much to bear.