Found and Explained Official on MSN
NASA’s secret F-15 - The test jet that helped create modern fighters
Before the F-22 entered service, NASA and the US Air Force used a heavily modified F-15 to explore ideas that seemed years ...
Summary and Key Points: NASA operated a unique F-15 fighter jet, known as the F-15 Flight Research Facility, which was highly modified from its U.S. Air Force counterparts. This one-of-a-kind ...
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