Airman 1st Class Aubrey Mathis, 8th Security Forces Squadron member, folds the American flag during the September 11 Remembrance ceremony at Kunsan Air Base, Republic of Korea, Sept. 11, 2019. The ceremony was held in remembrance of the 2,977 people who lost their lives on Sept. 11, 2001, in New York City, Washington, D.C., and outside Shanksville, Pennsylvania.