U.S. Airmen from the 378th Expeditionary Civil Engineering Squadron construct additional buildings in preparation for an influx of Airmen and Soldiers on Prince Sultan Air Base (PSAB), Kingdom of Saudi Arabia (KSA), Oct. 17, 2019. The U.S. is partnering with the KSA in PSAB to enhance operational flexibility while maintaining security and stability in the region. (U.S. Air Force video by Senior Airman Matthew Zakrzewski) More