423d MDS goes the extra mile to ensure safety
Air Force Tech Sgt. Kristen Nickerson, left, 423d Medical Squadron NCO in charge of bio-environmental engineering, conducts a qualitative fit test on a N95 mask for Staff Sgt. Jennalyse Adam, 423d MDS dental assistant, April 14, 2020, at RAF Alconbury, England. The 423d MDS were conducting fit tests of the N95 mask to ensure their personnel would be safe to continue to treat patients who may have contracted the coronavirus. (U.S. Air Force photo by Senior Airman Eugene Oliver)