U.S. Air Force Reserve Senior Airman Jonathan Hefley, aerospace medical service technician, 913th Aerospace medical Squadron, prepares to take a patient’s blood pressure Dec. 2, 2017, at Little Rock Air Force Base, Ark. Members of the medical squadron help ensure 913th Airlift Group Airmen are medically qualified to deploy worldwide. (U.S. Air Force photo by Master Sgt. Jeff Walston/Released)