MOODY AIR FORCE BASE, Ga. -- Airman 1st Class Timothy Sackett, 823rd RED HORSE Squadron pavement equipment journeyman, guides a concrete saw for Airman 1st Class Kendall Drake, 823rd RHS pavement equipment journeyman, here July 15. Concrete saws are powered by gasoline, hydraulic or pneumatic pressure, or electric motors, and use cold water to keep the blades cooled to prolong their life and reduce dust. (U.S. Air Force photo/Airman 1st Class Joshua Green)(RELEASED)