English: Soldiers from the 92nd Engineer Battalion complete guard towers along Forward Operating Base Hammer's 14-kilometer, 10-foot-high perimeter berm in Iraq. 557th Expeditionary RED HORSE Airmen and Soldiers from the 92nd Engineer Battalion's "Black Diamonds" were tasked to bed down the Army's 3rd Brigade Combat Team, 3rd Infantry Division, from Fort Stewart, Ga., in support of the Baghdad Security Plan. (U.S. Air Force photo)
This image or file is a work of a U.S. Air Force Airman or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image or file is in the public domain in the United States.