Mission-Ready: 20th MSG Executes Group-Wide Training Event
U.S. Air Force Staff Sergeant Justin Willibey, an emergency management specialist assigned to the 20th Civil Engineer Squadron, instructs Airmen assigned to the 20th Mission Support Group (MSG) on Post Attack Reconnaissance (PAR) procedures during a 20 MSG-wide training event at Shaw Air Force Base, South Carolina, April 28, 2026. Airmen assigned to PAR teams patrol designated facilities, equipment, and areas for hazardous materials and Chemical, Biological, Radiological and Nuclear (CBRN) contamination. (U.S. Air Force photo by Airman Will Sherwood)