[jlgaddis]

I suspect the most powerful are classified NRO satellites. The public's knowledge is likely a decade or two behind actual capabilities.

I recall reading somewhere about satellites being able to see license plate numbers from space but I have no idea where I read that or if it's true.

[luckydude]

I'm pretty sure it was NRO that was our customer. Any idea if around the late 1990's the NRO was run by a woman? If so, that's the agency we were working for (as mentioned in another comment).