563rd OSS Mask Modernization
The U.S. Air Force Chemical, Biological, Radiological and Nuclear Defense Systems Branch fielded new respirator masks to the 563rd Operational Support Squadron (OSS) and 755th OSS, on March 7, 2024. The new mask, known as the Joint Service Aircrew Mask Strategic Aircraft or M69, replaced the legacy MBU-19/P Aircrew Eye and Respiratory Protection equipment, which…