Units of the Russian armed forces jointly with the 102nd base perform their military duty throughout Armenia's air space, Russian armed forces commander-in-chief, general Vladimir Mikhaylov told a news conference in Yerevan today. In his words, Armenian borders are highly secured. "C-300 rockets are mounted in Armenia to ensure the republic's security. Besides, the 4th army of the Russian armed forces deployed in Rostov-on-Don exercises radar control of the Armenian territory," said the general.