Operation Halyard 73rd anniversary commemoration
Members of the U.S., United Kingdom, Canadian, Polish and French militaries pose next to the Operation Halyard memorial in Pranjani, Serbia, Sept. 16, 2017. More than 500 airmen from the U.S., U.K., Canada, France, Poland, Italy, Czech Republic and the former U.S.S.R. were rescued during Operation Halyard. (U.S. Air Force photo by Staff Sgt. Rachelle Coleman)