U.S. Army sniper, Sgt. Christopher Kitto from the Sniper Section attached to the Scouts Platoon, Headquarters Company, 1-15 Infantry Regiment, 3rd Brigade Combat Team, 3rd Infantry Division, takes up a position on the rooftop of a house and scans for enemy personnel during Operation Chunuk Bair in a small village west of Salman Pak, Iraq, Dec. 11, 2007. The mission's objective is to capture or eliminate two high valued individuals who are known to live and operate in the area.