The author summarized the materials of a very significant number of sources, most of which are completely unknown to the bulk of readers. The book presents all the rocket artillery systems that have been in service in different countries of the world for two centuries - from the beginning of the 19th century to the present day. Including considered aviation and marine systems. The encyclopedia is designed for a wide range of readers interested in military history and technology. Those of them who are used to believing that in the field of rocket artillery "we have always been the first" and to this day "continue to go ahead of the rest of the planet" learn from this book that they are far from the first and have not been ahead for a long time. The encyclopedia contains numerous photographs, drawings and schematic images of the samples of jet weapons given in it.