Aircraft production by the Axis powers (Germany, Italy and Japan) was not able to match that of the Allies, a crucial reason for the ultimate outcome of the war. In 1938, Britain manufactured fewer than 3,000 military aircraft. By 1944, the UK was producing 26,000 machines annually. In the United States, the expansion was even more impressive. Fewer than 2,000 aircraft were built in American factories in 1938, but during 1944 this figure increased to over 96,000. By the end of the war, Allied aircraft were outnumbering enemy aircraft in all theatres of conflict by a ratio of at least 5 to 1. This unprecedented growth involved the use of a wide range of existing factories, the construction of many new purpose-built sites and the recruitment of thousands of women…