It can be much, much more accurate than that if needed.
In 1960s America had spy satellites that dropped canisters with photo film, that were captured mid-air by planes.
See: http://en.wikipedia.org/wiki/Corona_(satellite)#Discoverer
In 1960s America had spy satellites that dropped canisters with photo film, that were captured mid-air by planes.
See: http://en.wikipedia.org/wiki/Corona_(satellite)#Discoverer
Presumably aircraft have an advantage over helicopters in that they fly higher and give you more opportunities for capture.
http://www.astrobio.net/exclusive/1185/genesis-suffers-a-cra... http://en.wikipedia.org/wiki/Genesis_(spacecraft)#Recovery_p...