STAIRWAY SENTINELS U.S. Army Cpl. Kristine Tejeda and Pfc. Thomas Adgate climb the steps of the Ziggurat of Ur to provide security for a tour of the ancient city in Dhi Qar province, Iraq, Sept. 24, 2011. Tejeda and Adgate are assigned to the 1st Cavalry Division's Headquarters Battery, 2nd Battalion, 82nd Field Artillery Regiment, 3rd Advise and Assist Brigade. The soldiers have provided security for more than 20 tours of the ancient city of Ur since December 2010. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 396254-G-RCT70-471.jpg Photo Gallery