U.S. Army soldiers prepare to unload two armored Caterpillar D9 bulldozers.
U.S. Army soldiers from Alpha Company, 3rd Special Troops Battalion, 3rd Brigade, 101st Airborne Division prepare to unload two armored Caterpillar D9 bulldozers from their carriers at Al Butoma, Iraq, on Jan. 11, 2006. The soldiers will use the bulldozers to construct berms for security in Al Butoma.