President of Turkmenistan Serdar Berdimuhamedov and the National Leader of the Turkmen people Gurbanguly Berdimuhamedov sent congratulations to the instructor, test cosmonaut, commander of the cosmonaut detachment of the Russian State Corporation for Space Activities Roscosmos Oleg Kononenko on the occasion of the 60th anniversary. On 4 February this year, Kononenko set a world record […]