30.000 British and 12.000 American soldiers were displaced to unknown destinations during World War II and the Korean War. 900 US soldiers were sighted alive by several witnesses after the end of the Vietnam War before they disappeared without a trace. Several hundred thousands of European survivors of the Nazi camps, mainly Dutch, Belgian and French vanished in the Soviet Union after World War II. Yet to this day the fate of the victims is one of the darkest chapters of the Cold War.