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A comment on A New Satellite Can Peer Inside Buildings, Day or Night. Parent comment

Re:A New Satellite Can Peer Inside Buildings, Day or Night by sq_ on Thursday December 17, 2020 @10:50AM (#25456614)
IIRC, the conclusion at the time was that that particular image was taken by an NRO KH-11 satellite - roughly equivalent to a Hubble Space Telescope pointed at earth and definitely not SAR.
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Re:A New Satellite Can Peer Inside Buildings, Day or Night by Someone1234 on Thursday December 17, 2020 @11:17AM (#25456931)
Supposedly this was taken by a KH-11 Block 4 (USA-224) which means this is cutting edge as of 2005. We're currently on Block 5 as of 2018.

The biggest secrets within US Reconnaissance Satellites isn't really optical clarity anymore, it is their capabilities in other spectrums (and have supported at least infrared for 30+ years, but with signals intelligence well beyond that since).

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