June 10, 2025

On This Day In Space June 8, 1959 X-15 Makes First Glide Flight]

On June 8, 1959, NASA’s rocket-powered X-15 experimental plane made its first glide flight. The X-15 rocket plane was part of a series of experimental hypersonic aircraft. This flight marked the beginning of almost a decade of research that explored the altitudes and hypersonic speed at the edge of space. At maximum speed, the X-15

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