GLONASS is a radio-based satellite navigation system, developed by the former Soviet Union and now operated for the Russian government by the Russian Space Forces. It is an alternative and complementary to the United States' Global Positioning System, the Chinese Compass navigation system, and the planned Galileo positioning system of the European Union.
GLONASS vs. GPS: RT reports from launch pad as satellites blast off
GLONASS launch
Russian Glonass satellite system 2010 - Russian GPS
Russia's GLONASS Sat Nav system will be tops
Glonass development
GSR2700 ISX GPS+Glonass Receiver
GLONASS satellites Launched atop Proton-M / DM-2 rocket
Proton rocket launch with GLONASS navigation satellites