Spangdahlem Airmen prepare to lay a wreath during a German National Day of Mourning observance ceremony at Kolmeshöhe Military Cemetery in Bitburg, Germany, Nov. 19, 2017. This day is for mourning the victims of the two world wars, those who lost their lives during current operations, and ones still missing in action. (U.S. Air Force photo by Staff Sgt. Jonathan Snyder)