President of Turkmenistan Serdar Berdimuhamedov sent his sincere congratulations to Oleg Kononenko, Hero of Turkmenistan and the Russian Federation, Head of the «Research and testing centre for cosmonaut training named after Y.A.Gagarin», and cosmonaut commander, on his birthday.

Taking this opportunity, the President of Turkmenistan expressed to Oleg Kononenko his heartfelt wishes for good health, long life, happiness, family well-being, and great success in his work on space exploration.