Russia's own global positioning network, Glonass, uses space satellites (right) that are linked to control stations such as this one in Brazil (left), the first outside of Russia.
American spy agencies don't want Russian GPS sites in their backyard
Planto let Moscow build monitor stationson US soil, as a gesture to improve diplomatic relations, is opposed by the CIA and Pentagon
Russia's own global positioning network, Glonass, uses space satellites (right) that are linked to control stations such as this one in Brazil (left), the first outside of Russia.