1794 Top-Secret Project
The Air Force, more than any other military service in the United States, contains some of the best-kept secrets in the world. This one is no longer a closely guarded secret. This is the design for a secret supersonic flying saucer, according to the plan. Nonetheless, it was never realized.
1794 Top Secret Project
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German High-Speed Train
The Schienenzeppelin, Germany’s first high-speed train, is visible in the background. At the time, it was considered a revolutionary invention. Germany claims that it has the ability to travel at speeds of up to 143 miles per hour. It is unclear whether it was utilized for public demonstrations or for covert operations.
German High Speed Train
