U.S. Air Force Staff Sgt. Terrance Thomas, 633rd Medical Group emergency technician, and Senior Airman Cody Blevins, 633rd MG paramedic, conducts a simulated 911 call at Joint Base Langley-Eustis, Va., Jan 13, 2017. Ambulance personnel is comprised of an emergency medical technician, the driver and the paramedic. (U.S. Air Force photo by Airman 1st Class Tristan Biese)