Re:US military's mysterious X-37B space plane zooms toward o...
by FredPret on Wednesday June 29, 2022 @01:13AM
(#31916705)
They kept a Mach 3 plane secret for a long time…
[ Parent
| on HN ]
Re:US military's mysterious X-37B space plane zooms toward o...
by nradov on Wednesday June 29, 2022 @02:11AM
(#31917014)
No they really didn't. The Soviets, North Vietnamese, and North Koreans all detected and tracked the A-12 / SR-71 planes during operational missions. They didn't know all the details, but the existence wasn't at all a secret to our adversaries.