U.S. Airmen with the 633rd Security Forces Squadron and 633rd Civil Engineer Squadron celebrate their graduation from the Newport News SWAT school at Langley Air Force Base, Va., May 18, 2016. Through the 10-day course, the Airmen were trained alongside Newport News and Hampton police officers by National Tactical Association officers in active shooter response, building entries, hostage rescue and live-fire. (U.S. Air Force photo by Airman 1st Class Kaylee Dubois)