Members of the 557th Expeditionary Base Engineer Emergency Force Group begin construction on a new hangar at Kandahar Airfield, Afghanistan on December 27, 2017. U.S. Air Forces Central Command realigned airpower to USFOR-A Combined-Joint Area of Operations (CJOA) to support increased operations in support of the Resolute Support Mission and Operation Freedom's Sentinel. (U.S. Air Force video by Senior Airman Ryan Green). More