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Top Results for X 15

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Rankings use category fit, feature coverage, pricing signals, public reception, and recency. Affiliate relationships do not affect scores.

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Best 1 Joe Engle
Joe Engle

Joe Engle was an American test pilot and NASA astronaut who flew the North American X-15 rocket plane above 50 miles on three separate flights, qualifying him for USAF astronaut wings. He later commanded the Space Shuttle *Columbia* on its second orbital flight (STS-2) in 1981, making him the only p...

2 Scott Crossfield

Albert Scott Crossfield (1921–2006) was an American naval officer, aerospace engineer, and test pilot. On November 20, 1953, he became the first pilot to fly at Mach 2, twice the speed of sound, in the Douglas D-558-II Skyrocket over the Mojave Desert. Crossfield later played a key role in the devel...

3 Pete Knight

William "Pete" Knight was a United States Air Force test pilot and politician. On October 3, 1967, he set the world speed record for a winged crewed aircraft by flying the X-15 at Mach 6.70 (4,520 mph). This speed record remains unbroken for crewed winged aircraft. Following his military aviation ca...

4 Joe Walker
Joe Walker

Joseph "Joe" Walker was an American test pilot who flew the North American X-15 for NASA. In 1963, he reached an altitude of 354,200 feet, making him the first person to fly an airplane into space and exceeding the 50-mile threshold for astronaut wings. He also served as the chief research pilot at...

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Frequently Asked Questions

What leads the X 15 ranking?

Joe Engle currently leads the X 15 results with a displayed score of 7.96/10. This is an editorial ranking result for the items included on this page, not a universal verdict for every use case.

How should I read the score and confidence label?

The 0 to 10 score is Lunoo's ranking judgment. Strong confidence means 10 or more recorded comparison checks, some means 2 to 9, and provisional means fewer than 2.

What supports this ranking?

Lunoo combines category fit, feature coverage, pricing and value signals, public reception, recency, and peer comparisons. Public source links support factual item details when available, but they are not required for membership in this 4-item ranking.

Can I compare the leading results for X 15?

Yes. The comparison links put adjacent leaders side by side so you can inspect differences that one ranking score cannot capture.

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