Service members from the U.S. Africa Command Joint Analysis Center at RAF Molesworth run in formation during a POW/MIA Recognition Run at RAF Alconbury, United Kingdom, Sept. 19, 2014. Since World War II, 83,189 U.S. Service members have yet to be accounted for or returned home. (U.S. Air Force photo by Staff Sgt. Jarad A. Denton/Released)