U.S. Air Force Senior Airman Cody Blevins, 633rd Medical Group paramedic, performs an ambulance equipment check at Joint Base Langley-Eustis, Va., Jan 13, 2017. To be a paramedic, members must obtain four mandatory certifications which includes, advanced cardiac life support, pediatric advanced life support, basic life support and national registry certification. (U.S. Air Force photo by Airman 1st Class Tristan Biese)