Notably, it highlights the unique design features of the X15, including its Inconel X steel skin to withstand extreme temperatures and a powerful rocket engine. Pilots like Joe Engel contributed ...

The X-15 was a groundbreaking rocket-powered aircraft that set records still unbeaten ... Here's what makes the presidential plane unique. Casual dining chain dethrones Olive Garden as most ...

The X-15 rocket-plane built by North American Aviation ... With a pilot in its cramped cockpit, it will be carried 35,000 ft. above Wendover Air Force Base, Utah by a specially adapted B-52.

Whatever its mission, the plane comes from one of the most legendary pedigrees in all of aviation: the fabled X-series, the line of experimental aircraft ... 15. The X-planes were used to test ...

Still the fastest airplane ever flown, the North American X-15 earned its title 40 years ago, when on October 3, 1967 Air Force Major William “Pete” Knight flew the rocket-powered aircraft to ...