 Harold R. Harris briefly left the military in 1926 to begin the Huff Daland Dusting Company, the world's first crop dusting company.Though he did not fly as a crop duster he had helped with the development of crop dusting while stationed at McCook Field.In 1925 Harold R Harris testified before the Morrow Board, a review board created by President Calvin Coolidge to investigate the potential of private and commercial aviation.