What does the X15 missile plane mean? How did you get started in your first experience?

The X-15, which launched the missile launch, took its first glide flight.

The X-15 missile plane is a hypersonic experimental aircraft group.

This picture was a good wing.

And the cruise was cruising at full speed, as the X-15 was flying at 4,520 miles per hour.

The X-15 program included 12 test flights from Major Neil Armstrong, and it managed to complete 199 flights during its operations.

He began working for 10 years in outer space.