March 6, 2018
Lieutenant Alexander Pearson flew a de Havilland DH-4 plane for survey flights at the Grand Canyon in 1921. Pearson used the Williams airfield as his base. (National Park Service)
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The year 1921 stands unique in the history of United States aeronautics. World War I had just ended, and a stimulus of popular curiosity emerged regarding the aircraft that essentially won the war.
By Wendy Howell
March 6, 2018