U.S. Air Force emergency management Airmen with the 1st Special Operations Civil Engineer Squadron demonstrate proper mission oriented protective posture gear exchange procedures at Hurlburt Field, Florida, March 3, 2020. The MOPP exchange procedure ensures Airmen understand how to safely continue their missions during chemical, biological, radiological or nuclear environments. (U.S. Air Force video by Airman 1st Class Nathan LeVang) More