20th EMS Airmen inspect for safety Published July 11, 2017 By Airman 1st Class Kathryn R.C. Reaves 20th Fighter Wing Public Affairs SHAW AIR FORCE BASE, S.C. -- Airmen with the 20th Equipment Maintenance Squadron conducted a routine inspection June 27. Inspections such as these ensure munitions are safe for members in the squadron and maintain compliance with Air Force standards.