Sergey Nikolayevich Kalchuk (Serhiy Mykolayovych Kalchuk), Сергей Николаевич Кальчук, Сергій Миколайович Кальчук
Sergey Nikolayevich Kalchuk
- May 20, 1981;
- Chemical and Biological Defense Company, 110th Separate Mechanized Brigade (A4007);
- Serviceman.
