MOODY AIR FORCE BASE, Ga. -- Senior Airman Maria Exiga, 23rd Medical Group laboratory technician, prepares to inject a needle into the arm of Senior Airman Ricardo Taylor, 23rd Civil Engineer Squadron pest management journeyman, during a routine blood draw Aug. 1. The medical lab's clients include approximately 20,000 retirees, dependents and civilians, as well as active-duty military. (U.S. Air Force photo/Airman 1st Class Joshua Green)