[2] During the First World War he fought in the modern-day Ternopil Oblast as a member of the troops of the South-Western Front.

He took part in the Polish-Ukrainian War and from the end of 1918 he commanded the Yaniv second brigade of the UGA, which distinguished itself in battles with Polish units on the outskirts of Lviv, during the Vovchukhiv Operation (Ukr) of 1919 and the Chortkiv offensive of 1919.

From December 1919 to May 1920 he was chief of staff of the UPR Army during the First Winter Campaign.

During the Polish-Soviet War, he commanded the 5th Kherson Division of the UPA Army.

[4] In 1942 he formally headed the Ukrainian Liberation Army, which was formed as part of the ground forces of the Wehrmacht.