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Which research aircraft was used by NASA for testing high-speed, high-altitude aeronautical research?
16. Which research aircraft was used by NASA for testing high-speed, high-altitude aeronautical research?
- SR-68
- SR-69
- SR-70
- SR-71
Answer
The correct answer is: D) SR-71
Explanation
SR-71 was the research aircraft used by NASA for testing high-speed, high-altitude aeronautical research. The SR-71 was also known as the "Blackbird".