ANDERSEN AIR FORCE BASE, Guam - Staff Sgt. Jesse Buettner, a crew chief with the 36th Expeditionary Aircraft Maintenance Squadron, conducts a thorough flight inspection after arrival here Sept. 13. The maintenance Airmen are a vital part of the exercise Valiant Shield 2010, keeping the aircraft in flight. More than 150 aircraft will participate in Valiant Shield, including, B-52 Stratofortresses, F-15 Eagles, F-15E Strike Eagles, E-3 Sentry airborne warning and control aircraft, KC-10 Extenders, KC-135 Stratotankers, P-3 Orions and F/A-18 Delta Hornets. More than 100 of the aircraft will fly from Andersen to conduct sorties in various exercise scenarios. Sergeant Buettner is deployed here from the 27th Air Maintenance Unit, Langley Air Force Base, Va. (U.S. Air Force photo/Senior Airman Nichelle Anderson)