Some of the fastest planes in the world can only be found in the US military. Though fighter planes have been used since the aerial dogfights of World War I, today's jets seem unstoppable. They can slip through radar undetected, carry numerous missiles, and fly faster than the speed of sound. Full-color photographs of these swift military machines enhances the historical and science content. Readers will be continually engaged as they are introduced to the futuristic F-35 and as they learn how a jet engine works.