76 Ibid., p. 30; ARSO, 1928, pp. 30-31; Maurer, Aviation in U.S. Army, pp. 256-60; Walker and Wickham, Huffman Prairie to Moon, pp. 207-09. Although James D. Dole of the Hawaiian Pineapple Company offered $25,000 in August 1927 to whomever could make the first nonstop flight from the United States to Hawaii, the feat had already been accomplished by Maitland and Hegenberger. For more on their accomplishment, see Robert H. Scheppler, Pacific Air Race (Washington, D.C.: Smithsonian Institution Press, 1988).