LANGLEY AIR FORCE BASE, Va. -- Senior Airman Jonathan Davis, 1st Comptroller Squadron lead customer service technician, shows Command Chief Master Sgt. Kevin Slater how to input a travel voucher May 19. Chief Slater spent the morning working side-by-side with Airman from the 1st Comptroller Squadron. (U.S. Air Force photo/Airman 1st Class Zachary Wolf)