Greg Zacharias

3 relations: Chief Scientist of the U.S. Air Force, Hypersonic flight, United States Air Force.

Chief Scientist of the U.S. Air Force

The Chief Scientist of the U.S. Air Force is a three-star equivalent civilian member of Headquarters Air Force and in this role is the most senior Science & Technology representative in the United States Air Force.

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Hypersonic flight

Hypersonic flight is flight through the atmosphere below about 90km at speeds above Mach 5, a speed where dissociation of air begins to become significant and high heat loads exist.

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United States Air Force

The United States Air Force (USAF) is the aerial and space warfare service branch of the United States Armed Forces.

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References

[1] https://en.wikipedia.org/wiki/Greg_Zacharias

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