Previously from 21 May 2019, he combined this post of Commander-in-Chief of the Armed Forces of Ukraine with the post of Chief of the General Staff.[7] On 28 March 2020, a decree by President Volodymyr Zelensky divided the posts of Commander in Chief and Chief of General Staff.[6] On this day Zelensky dismissed Khomchak from the post of Chief of General Staff and appointed him Chief Commander of Armed Forces while simultaneously he appointed Serhiy Korniychuk Chief of the General Staff.[6]
On July 27 2021 Ruslan Khomchak was dismissed from the position of Commander-in-Chief of the Armed Forces of Ukraine[4] and appointed as the First Deputy Secretary of the National Security and Defense Council of Ukraine.[3]