Jeffrey Rhodes, 4th Civil Engineer Squadron electronics technician, performs a general maintenance check on the front gate barrier system at Seymour Johnson Air Force Base, North Carolina, August 31, 2020. The alarm shop is responsible for maintaining all of the installation’s fire alarms and mass notification systems, the gates and their barriers, troubleshooting motor systems, hangar door electronics and more. (U.S. Air Force photo by Senior Airman Kylee Gardner)