I'm not sure what you're asking about. Weather satellites existed for a long time https://en.wikipedia.org/wiki/Weather_satellite https://en.wikipedia.org/wiki/

I'm not sure what you're asking about. Weather satellites existed for a long time https://en.wikipedia.org/wiki/Weather_satellite https://en.wikipedia.org/wiki/Weather_satellite For navy movement, spy satellites already existed in the 50s and got magnitudes better since then. https://en.wikipedia.org/wiki/Reconnaissance_satellite https://en.wikipedia.org/wiki/Reconnaissance_satellite