Here's a video of another high speed Blackbird breakup, from a D-21 drone release: https://www.youtube.com/watch?v=GMyC2urCl_4 https://www.youtube.com/watch?v=

Here's a video of another high speed Blackbird breakup, from a D-21 drone release: https://www.youtube.com/watch?v=GMyC2urCl_4 https://www.youtube.com/watch?v=GMyC2urCl_4 The debris just keeps on going because of the huge momentum and thin air at those speeds and altitudes.