December 19, 2012. Russian President Vladimir Putin, third right, during a joint photo op of the heads of the CSTO members states. From left: Armenian President Serzh Sargsyan, Belarusian President Alexander Lukashenko, Kazakh President Nursultan Nazarbayev and Kyrgyz President Almazbek Atambayev. From right: CSTO Secretary General Nikolai Bordyuzha and Tajik President Emomali Rakhmon.