[5] Kabanchuk became deputy commander of the Kastuś Kalinoŭski Regiment during the 2022 full-scale Russian invasion of Ukraine[3][4] and switched to the political role of Representative for Defense and National Security in the United Transitional Cabinet of Belarus in early August 2024.

After his release, he continued his political activism as part of the Belarusian opposition, and was sentenced several times to administrative detention.

[4] Kabancuhuk was appointed Representative for Defense and National Security in the United Transitional Cabinet of Belarus (UTC) on 3 August 2024.

Among the projects started with his role as a member of the UTC, Kabanchuk cited a program to train volunteers in Ukraine.

[2] Kabanchuk stated that the "Kalinoŭski movement", created in July 2024, is a sociopolitical structure associated with the regiment, with the intention of contributing to replacing the Lukashenko government.

He recommended that those staying in Belarus should prepare the "material and technical base" for a political change, in groups of no more than three people, keeping their plans confidential.