Bell X-1
First plane to fly the speed of sound at Mach 1
First plane to fly the speed of sound at Mach 1
X-15
Holds the unofficial world speed and altitude records for an airplane of Mach 6.7 and 354,200 feet. Before he was an astronaut, Navy pilot Neil Armstrong flew the X-15 seven times.
Holds the unofficial world speed and altitude records for an airplane of Mach 6.7 and 354,200 feet. Before he was an astronaut, Navy pilot Neil Armstrong flew the X-15 seven times.
X-29
Built of carbon fiber composite material to allow greater flexibility, the X-29 was the first forward swept wing aircraft to fly supersonic speed in level flight.
Built of carbon fiber composite material to allow greater flexibility, the X-29 was the first forward swept wing aircraft to fly supersonic speed in level flight.