U.S. Army National Guardsman Staff Sgt. Ken Hill, from 116th Air Support Operations Squadron out of Fort Lewis, Wash., conducts a mandatory pre-inspection on Spc. Matthew O'Neil, from Aerial Delivery out of Fort Lewis, Wash., at Fort McCoy, Wis., July 21, 2006, during exercise Patriot 2006. Patriot, the largest joint, annual exercise held in the United States, increases the war-fighting capabilities of the U.S. Air Force and Army National Guard, reserve, and active components as well as interoperability with the participating nations of Canada, United Kingdom, and the Netherlands. (U.S. Air Force photo by Master Sgt. Patrick J. Cashin)
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