AL UDEID AIR BASE, Qatar -- Firefighters with the 379th Expeditionary Civil Engineer Squadron worked with members of the 379th Expeditionary Operational Medical Readiness Squadron in response to simulated casualties during Exercise Grand Shield 22-5 on Al Udeid Air Base, Qatar, Sept. 9, 2022. Exercise Grand Shield is a recurring exercise that allows the base to test it's response to simulated threats. (U.S. Air National Guard photo by Airman 1st Class Constantine Bambakidis)