An F-16 C aircraft (left) from the 132nd Fighter Wing (132FW), Des Moines, IA, taxis out to the runway behind an F-18 aircraft (right) from the Williamtown Royal Australian Air Force (RAAF) Base in preparation to launch during a Dissimilar Air Combat Training (DACT) mission at the Williamtown RAAF Base, Australia on February 23, 2011. The 132FW is currently conducting DACT mission “Sentry Down Under”. (US Air Force photo/Staff Sgt. Linda E. Kephart)(Released)