Q. GLONASS GLObalnaya NAvigatsionnaya Sputnikovaya Sistema or GLObal NAvigation Satellite System, is a radio-based satellite navigation system operated by ?
Answer: Russia
Notes: GLONASS is operated by Russia. It was developed by the Soviet Union and became fully operational in 1995. GLONASS is one of the four major global navigation satellite systems, alongside GPS (USA), Galileo (EU), and BeiDou (China). It provides accurate positioning services globally and is crucial for various applications, including military and civilian navigation.