The total cost to the Army Air Service of the flight round the world, as compiled to date, is $177,481.35. The cost of a flight of similar length and duration entirely within the U. S. would have been $62,998.36covering plane and motors used, spare parts and pay of personnel. The very large differences in these two figures is due to the fact that the Air Service had so much preliminary work to do in surveying the routes, depositing fuel and supplies all over the globe and generally carrying out a gigantic task in...
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