May 15, 2012. President Vladimir Putin, second right, background, at an anniversary meeting of the Collective Security Treaty Organization, at the Kremlin. Foreground, from left: Armenian President Serzh Sargsyan, Uzbek President Islam Karimov, Tajik President Emomali Rakhmon. From left, background: Belarusian President Alexander Lukashenko, Kyrgyz President Almazbek Atambayev and Kazakh President Nursultan Nazarbayev. Right, background: CSTO Secretary General Nikolai Bordyuzha.