86 MDSS keeps an eye on Ramstein medicine
U.S. Air Force Senior Airman Dustin Johnson, 86th Medical Support Squadron biomedical maintenance technician, calibrates a ventilator to ensure it is in perfect working condition on Ramstein Air Base, Germany, Sept. 7, 2017. Johnson and his fellow Airmen service all equipment that is used to support aeromedical evacuation patients. (U.S. Air Force photo by Senior Airman Tryphena Mayhugh)