We used SR-71 to simulate Satellite pass through in early 90s :)

We used SR-71 to simulate Satellite pass through in early 90s :)

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送交者: steven 于 2010-08-11, 18:04:28:

回答: But SR-71 was in operation untill 1998. 由 year2226 于 2010-08-11, 17:56:17:

I was talking about M-21 program, not SR-71.

I know that. I am interested in SR-71 because M-21/D-21 is a failed project. (无内容) - year2226 (0 bytes) 2010-08-11, 18:41:12 (473723)
- SR-71 and M-21 were developed the same time by the same team. (无内容) - steven (0 bytes) 2010-08-11, 18:44:38 (473724)
  - so why d-21 failed, but sr-71 sounds so successful ? (无内容) - year2226 (0 bytes) 2010-08-11, 19:02:21 (473732)
    - D-71 was too complicated for its time. - steven (45 bytes) 2010-08-11, 20:05:48 (473751)