The fastest manned aircraft ever

Bold, black and blazing fast: The North American X-15 was a plane unlike any other. And although it first flew over 60 years ago, it is still the quickest manned aircraft ever to fly.Bold, black and blazing fast: The North American X-15 was a plane unlike any other. And although it first flew over 60 years ago, it is still the quickest manned aircraft ever to fly.