Originally Posted by
sandiego89
Thanks so much for sharing that article West Coast. I have followed all things "Aurora" related over the years, but never saw that article. Good stuff. I strongly believe something large and fast was flying in the 1990's and hope someday we learn more.
If they were using a reusable XB-70 derivative to launch a smaller reusable orbiter from the 1990s, I wonder why they replaced it a decade later with the distinctly lower-tech (expendable launcher) X-37B?