N95 mask fit test conducted by Bioenvironmental
Airman 1st Class Sydni Breitenbach, 15th Operational Medical Readiness Squadron bioenvironmental engineering journeyman, mists Capt. Bonnie Nolan, 15th OMRS family physician, with a sensitivity solution during an N95 mask fit test at Joint Base Pearl Harbor-Hickam, Hawaii, Jan. 7, 2022. The pungent solution was used to test the personal protective gear’s ability to inhibit the introduction of any external contaminants. (U.S. Air Force photo by Staff Sgt. Alan Ricker)