Kammala jumla mai zuwa: Bayan samun 'yancin kai na Ukraine a 1991, Khomchak ya zama kwamandan soji na Sojojin Ukraine. Daga 1993 zuwa 2000 Khomchak ya yi aiki a cikin Brigade na 24 na Mechanized. An daukaka shi zuwa mukamin Laftanar-Janar tun daga 2013, ya shiga cikin yakin a Donbas. A lokacin da Ukrainian sojojin rasa yanke shawara
Yaƙin Ilovaisk Khomchak ya kasance kwamandan yanki.