Stream Hitler's Secret Science Online Free – Watch Full Movie from Home at 123Movies. . During the Second World War, to give himself every chance of winning the conflict, Adolf Hitler instructed the most brilliant German scientists to develop advanced technology weapons of mass destruction. Among them were the V1, the first cruise missile, and the V2, the first ballistic missile. The document looks back at the context in which their creators worked and succeeded in designing innovations that laid the foundations of modern aviation and aerospace.