X-15 Rocket Plane Pilot's Flight Operating Manual Periscope Film.com:Paperback City of Neighborhood

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X-15 Rocket Plane Pilot's Flight Operating Manual Periscope Film.com:Paperback City of NeighborhoodThe X 15 rocket plane flew at Mach 6. 72 and at altitudes above 67 miles at the threshold of space! The men who flew this amazing plane became the USAF's first astronauts. Powered by an XLR 99 engine capable of producing 70,000 pounds of thrust at peak altitude, the X 15 pushed the envelope for manned aircraft past the post office. Notably, both Apollo commander Neil Armstrong and Space Shuttle commander Joe Engle piloted the X 15. Originally highly