The National Security and Defense Council of Ukraine is the coordinating body in matters pertaining
to national security and defense under the President of Ukraine. The National Security and Defense
Council of Ukraine shall coordinate and supervise the activities of organs of executive authority
in the sphere of national security and defense. The President of Ukraine is the Chairman
of the Council of National Security and Defense of Ukraine.
Constitution of Ukraine. article 107.
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Secretary of the NSDC of Ukraine Oleksandr Turchynov expressed his condolences to Leonid Kadenyuks relatives and friends in connection with his death

Today, the first Ukrainian astronaut Leonid Kadenyuk - a man-legend, a man-deed, passed away. He devoted all his life to Ukraine and did so much for it to remain a space-faring state.

The news about his sudden death is impossible to realize. This is an incredible loss for the whole Ukraine. I express my sincere condolences to his relatives and friends. May the memory of him live forever...