Airman 1st Class Natalya Carvajal, 374th Medical Support Squadron medical logistics technician, contacts patients at Yokota Air Base, Japan, Nov. 26, 2020. As a public health augmentee, one of her main responsibilities is to reduce the work-load of public health professionals by performing contact tracing with patients. (U.S. Air Force photo by Airman 1st Class Tyrone Thomas)