The classic SR-71 ground speed story as told by retired Blackbird pilot Brian Shul le maîtreAugust 12, 2019All Post navigation PreviousNext https://www.youtube.com/watch?v=ILop3Kn3JO8 https://ift.tt/2YBzYdw Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like Loading... Related