
1-North American X-15The North American X-15 is considered the fastest and popular plane in the world 2015. This rocket-powered aircraft is basically operated by the "National Aeronautics and Space Administration" and the United States Air Force. North American X-15 was manufactured by "North American Aviation" and it took its first flight on 08 June 1959. North American X-15 has hypersonic speed and it set a lot of speed records, its top speed is more than 4,092 mph.2-Lockheed SR-71 BlackbirdThe Lockheed SR-71 Blackbird is regarded as the second fastest and most popular airplane in the wor