The B-58 Hustler escape capsule is probably the best operational example of this. It allowed pilots to eject at speeds up to Mach 2 (!!).<p><a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=QbgeUNjsenA" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=QbgeUNjsenA</a>