Could the greatest inventions of the twentieth century and beyond potentially be the products of reverse engineered alien technology? Inside Hangar 1, MUFON files trace mankind's technological boom to materials reportedly recovered from UFO crashes in the 1940s. MUFON investigates allegations of alien engineering, from the birth of the transistor in the 1950s, to military UFOs in the Middle East. Is our modern world built on a foundation of borrowed--or stolen--technology?