This installment of Randy's Warbird Profiles takes a look at the legendary Hughes H-4 Hercules - better known ... In 1942, an order was issued by the U.S. War Department for a large troop ...

which was in short supply during the war, it was made from a novel composite called Duramold. Duramold was invented some years earlier and licensed to Hughes for the Hercules project. Duramold was ...