In the final months of World War II a jet-powered flying wing made its first flight from a remote airfield deep inside Nazi Germany. Generations ahead of its time, the Horten 229 was designed to be a lethal fighter-bomber and more importantly, virtually undetectable to allied radar. Had Reimar and Walter Horten designed the world’s first stealth fighter? Go behind scenes with an elite group of aerospace designers and stealth experts from Northrop Grumman as they build a full-scale model of the sinister bat wing fighter. Once complete, go where camera have never gone before, as the Northrop team test the Nazi fighter’s capability at their remote Tejon Radar Range. After decades of debate and speculation the mystery of the Horten 229’s stealth capability is finally put to rest.