MOSCOW (Sputnik) — The CSTO is an intergovernmental military alliance formed in 1992 with six members at present: Russia, Tajikistan, Kazakhstan, Kyrgyzstan, Armenia and Belarus, as well as two observer states – Afghanistan and Serbia.
Russia currently has airbases in Kyrgyzstan and Armenia, and is planning to establish an airbase for fighter jets in eastern Belarus in 2016.
"We are ready to do it with all allied countries, be it CSTO members or CSTO plus union treaty as in the case with Belarus," Medvedev said.