Complex sentence: Kononenko was born June 21,1964, in Chardzhou, Turkmen SSR, and graduated from the N. E. Zhukovskiy Kharkov Aviation Institute in 1988 as a mechanical engineer.
Split into simpler sentences: Kononenko was born June 21,1964, in Chardzhou, Turkmen SSR. Kononenko graduated from the N. E. Zhukovskiy Kharkov Aviation Institute in 1988 as a mechanical engineer.