To manufacture thousands of airplanes for its World War I allies, the United States would fell acres of spruce.

Shipyards turned out tonnage so fast that by the autumn of 1943 all Allied shipping sunk since 1939 had been replaced. In 1944 alone, the United States built more planes than the Japanese did from ...

You may have noticed that some WWI fighter planes had three wings, but why was this? Did the extra wings help make the aircraft any better at fighting?

The cracks in the triplane's limitations started to widen after better biplanes like the Sopwith Camel (one of the top WW1 fighter aircraft) came into existence.These planes could outrun triplanes ...