• 0 Posts
  • 16 Comments
Joined 23 days ago
cake
Cake day: March 9th, 2025

help-circle









  • Except the US doesn’t have a cheap, easily available source of titanium.

    The stuff we used for the SR-71 and F-14 had to be gotten surreptitiously from the Russians.

    That’s why the Space Shuttle didn’t have the titanium heat shield it was designed with and had to rely on the newly invented, much more delicate, ceramic heat shields. Which, it can be argued, resulted in the all of the deaths of the Challenger crew.