<|im_start|>user
What is the fastest air-breathing manned aircraft?

Context:
As of 2023 the SR-71 holds the world record it set in 1976 as the fastest air-breathing manned aircraft.<|im_end|>
<|im_start|>assistant
As of 2023 the SR-71 is the fastest air-breathing manned aircraft. It can reach a maximum speed of Mach 3.3<|im_end|>
