President of Turkmenistan Gurbanguly Berdimuhamedov addressed congratulations and the best wishes to the Hero of Turkmenistan, instructor-cosmonaut, commander of the cosmonaut corps of the Roscosmos State Corporation for Space Activities Oleg Kononenko on the occasion of his birthday. “We in Turkmenistan with a special sense of pride observe how our compatriot for many years has made a significant contribution to the development of world cosmonautics, inspiring young generations to achieve great accomplishments”, said the President of Turkmenistan, wishing Oleg Kononenko good health, family well-being, happiness and new victories in his work.