Among the many firsts of World War I, the widespread use of aeroplanes was a momentous tactical turning point and it was that heroic generation of airmen who charted an entirely experimental course on how to use aircraft in warfare. First used for reconnaissance, the role of aircraft changed as pilots became more experienced in handling their aeroplanes and ventured out onto new missions to coordinate and support ground forces and eventually planes went on the offense as bombers or fighters with legendary epic air-to-air combat engagements. This is the story of the airmen, how they were...