Heads of state of the countries of the CIS including Russian President Vladimir Putin attend the Collective Security Treaty Organization (CSTO) summit in Dushanbe, 06 October 2007. The countries of the former Soviet Union including : Armenia, Belarus, Kazakhstan, Kyrgyzstan, Moldova, Russia, Tajikistan and Uzbekistan are gathering to discuss continued regional cooperation during  the Collective Security Treaty Organization (CSTO) summit. Getty Images logo Getty Images 26 months ago

Heads of state of the countries of the CIS including Russian President Vladimir Putin attend the Collective Security Treaty Organization (CSTO) summit in Dushanbe, 06 October 2007. The countries of the former Soviet Union including : Armenia, Belarus, Kazakhstan, Kyrgyzstan, Moldova, Russia, Tajikistan and Uzbekistan are gathering to discuss continued regional cooperation during the Collective Security Treaty Organization (CSTO) summit.