15 years later; Bagram remembers 9/11
A joint service honor guard lowers the flag during a retreat ceremony as part of a 9/11 remembrance ceremony, Bagram Airfield, Afghanistan, Sept. 11, 2016. The ceremony was held to honor those who lost their lives during the attacks on Sept. 11, 2001, 15 years ago. (U.S. Air Force photo by Capt. Korey Fratini