The Soviet Union's swept-wing fighter, controversially powered by a copied Rolls-Royce Nene jet engine, caused a sensation and more than a few problems for its opponents when it was introduced in the Korean War in 1950. This book is compiled from a wealth of first-hand Russian sources and includes a comprehensive history of the design and its service. Includes extensive and detailed photo coverage from Russian sources, almost all of which have never-before been seen. For military enthusiasts and modelers.