A U.S. Air Force C-130 Hercules aircraft, assigned to the 192nd Airlift Squadron, 152nd Airlift Wing, Nevada Air National Guard, drops cargo over Volk Field, Wis., July 19, 2006, during exercise Patriot 2006. Patriot is a large-scale National Guard Bureau-sponsored field exercise designed to increase the warfighting capabilities of National Guard, reserve and active components of the U.S. Air Force, the U.S. Army and participating foreign military service members from Canada, the United Kingdom and the Netherlands. (U.S. Air Force photo by Master Sgt. Robert A. Whitehead/Released)