A Wisconsin Air National Guard F-16 Fighting Falcon fighter aircraft, 176th Fighter Squadron, 115th Fighter Wing, Truax Field, Wis., flies over Volk Field during Patriot 05. Patriot 05 is the largest annual exercise held across the United States. This exercise increases the war fighting capabilities of the National Guard, Reserve, and active components of the Air Force and Army. Additionally, Canadian, United Kingdom, and Dutch forces are participating, increasing combined effectiveness. (U.S. Air Force photo by Tech Sgt. Brian E. Christiansen) (Released)