SHADOW DUTY U.S. Army Sgt. Patrick Heyman pulls guard on the rooftop of an Iraqi Police station while conducting a reconnaissance patrol in Hammam Al Alill, Iraq, Oct. 28, 2008. Heyman is assigned to Troop G, 3rd Armored Cavalry Regiment. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 831016-U-YLV62-970.jpg Photo Gallery