The book in a popular form tells about the "mass" combat aircraft that determined the appearance of combat aircraft of different times and countries. The book contains information about structures that, although they did not become the basis for production vehicles, played an important role in the progress of aircraft manufacturing, traces the path traveled by military aviation over the years and decades of its formation and development, introduces the most outstanding structures and their authors, with the most important events and ideas that determined the directions of the creative search for engineers of different generations.