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Sir John William Alcock
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Alex McEvoy: portrait of Sir John William Alcock Vickers Vimy flown in first nonstop transatlantic flight, 1919
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NASA's Reduced Gravity Program provides the unique weightless or zero-G environment of space flight for testing and training of human and hardware reactions. NASA used the turbojet KC-135A to run these parabolic flights from 1963 to 2004.
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Sir John William Alcock: References & Edit History

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Article History

Type Description Contributor Date
Anniversary information added. Dec 14, 2025
Anniversary information added. Nov 02, 2025
First paragraph modernization. Feb 13, 2024
Links added. Jun 01, 2023
Add new Web site: HistoryNet - Brown�s Great Adventure: The First Transatlantic Flight. Sep 26, 2018
Add new Web site: Early Birds of Aviation - Biography of John William Alcock. Aug 01, 2018
Video of Alcock and Brown added. Jan 25, 2011
Added new Web site: The Franklin Institute - Flights of Inspiration. Jun 06, 2006
Article added to new online database. Jul 20, 1998
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