
QUICK REACTION FORCE — U.S. Army Spc. Nathan Crutchfield, assigned to Quick Reaction Force, 1st Battalion, 17th Infantry Regiment, 172nd Infantry Brigade Combat Team, looks for the source of small arms fire while responding to a suicide vehicle-borne improvised explosive device bombing in Mosul, Iraq, Apr. 28, 2006. U.S. Air Force photo by Tech. Sgt. John M. Foster