The more sensitive reconnaissance satellites may not be needed to get substantially correct imagery; earth resources satellites may give adequate, or even better detail--reconnaissance satellites tend not to have the multispectral scanners that are best for agricultural or other economic information.
The more sensitive reconnaissance satellites may not be needed to get substantially correct imagery. Earth resources satellites may give adequate, or even better detail. Reconnaissance satellites tend not to have the multispectral scanners. These multispectral scanners are best for agricultural. These multispectral scanners are best for other economic information.