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About how fast was the SR-71 Blackbird designed to cruise?

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  1. About Mach 1.2
  2. About Mach 3.2
  3. About Mach 9.6

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References

  1. SR-71 Blackbird fact sheet, NASA Armstrong www.nasa.gov/wp-content/uploads/2021/09/495839main_fs-030_sr-71.pdf Checked 2026-10-10.
  2. SR-71 Blackbird fact sheet, NASA Armstrong www.nasa.gov/wp-content/uploads/2021/09/495839main_fs-030_sr-71.pdf Checked 2026-10-10.
  3. SR-71 Blackbird fact sheet, NASA Armstrong www.nasa.gov/wp-content/uploads/2021/09/495839main_fs-030_sr-71.pdf Checked 2026-10-10.

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