SSg Justin Hinderliter, flight engineer, CH-46D Chinook does a way around inspection during an engine start at PATRIOT 2006, Volk Field, WI., July 18, 2006. PATRIOT is the premier National Guard Bureau sponsored joint exercise. This exercise increases the warfighting 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. (US Air Force photo by MSgt Robert A. Whitehead) (Released).