LANGLEY AIR FORCE BASE, Va. -- Staff Sgt. Jeremy Powers and Cpl. Brandon Cavazo, Marine Fighter Attack Squadron 312 aircraft maintainers, discuss proper adjustments to a pre-flight check during pilot combat certification Jan. 13. The 71st and 94th Fighter Squadrons conducted dissimilar aircraft training with the Marine crews in preparation for upcoming Red Flag exercises. (U.S. Air Force photo/Senior Airman Vernon Young)