Is there a plane faster than the SR-71 Blackbird?

Here are a few examples:

- Boeing X-51 Waverider (Mach 6.7+)

- North American X-15 (Mach 6.70)

-NASA X-43 (Mach 9.6+)

-Martin Marietta X-24B (Mach 1.8)

-Lockheed SR-72 (Mach 6+)