PRINCE SULTAN AIR BASE, KINGDOM OF SAUDI ARABIA –Joint force members from Prince Sultan Air Base’s emergency services and Royal Saudi Air Force first responders conducted a mass casualty exercise Nov. 24, 2020 at Prince Sultan Air Base, Kingdom of Saudi Arabia. The RSAF-led exercise focused on a burning building scenario. Firefighters from the 378th Expeditionary Civil Engineer Squadron assisted RSAF personnel in containing a fire, while PSAB joint force medical personnel assisted RSAF medical staff with triaging and treating simulated injured. Exercises between the two nations help enhance interoperability and cement resolute partnerships. (U.S. Air Force photo by Tech. Sgt. Wes Wright).