Derek Smith (television producer) looking at life at a US Air Force base at Mildenhall in East Anglia. (1967) Smith produced "The Flight Deck Story", the history of the aircraft carrier, filmed on HMS Eagle and on USS Enterprise off the coast of Vietnam. He also produced "Mission To Hell", which followed the Bishop of Birmingham Leonard Wilson returning to Singapore to tell his story of war time imprisonment by the Japanese Army. Another military history film Smith made at this time was "Jump Jet", the history of the Hawker Harrier, vertical take-off or land aircraft. A film for the series The World About
Claims to the first powered flight Clément Ader's Éole of 1890 was a bat-winged tractor monoplane which achieved a brief, uncontrolled hop, becoming the first heavier-than-air machine in history to take off from level ground under its own power. However his hop is not regarded as true flight because it was neither sustained nor controlled. Ader would later make a false claim of a more extended flight. In 1896, Samuel Pierpont Langley, the Secretary of the Smithsonian Institution, had successful flights with several unpiloted models, and his "Number 6" model flew more than . From these successes, in 1898 Langley received grants from the War Department