Test Operations Engineer and Ground Test University instructor Bernie Williamson discusses Synergen system hot keys during a recent GTU class. Also pictured is fellow GTU instructor Julius Lockett, a systems engineer in the Engine Test Facility. The purpose of GTU is to provide younger members of the AEDC workforce and their more-tenured counterparts in new positions with knowledge and information to help them more effectively complete job tasks. (U.S. Air Force photo by Bradley Hicks) (This image was manipulated by obscuring badges for security purposes)