Col. Mark R. Stammer, commander of 1st Brigade, 82nd Airborne Division (Advise and Assist Brigade), (center), inspects a Combined checkpoint with Lt. Col. Scott G. Hooper, commander of 3rd Squadron, 73rd Cavalry Regiment, (right), during battlefield circulation in northern Iraq, May 5. The checkpoint is manned by Kurdish and Arab army and police forces as well as American troops to ensure equal treatment of all citizens.