The Origins of Air War: Development of Military Air Strategy in World War I - Robert F. Grattan - Google Books

https://books.google.de/books?id=X0UBAwAAQBAJ&pg=PP1

Air power has come to be seen as a country’s first line of defence; in the First World War views were vastly different. Aircraft were a novelty not always welcomed by the traditionalist military. Here Robert Grattan traces the remarkable history of the…