The brigade was again consolidated to participate in the Kursk Offensive Operation, and then retained to stop a renewed Russian attack on Sumy. In September 2025, he was transferred to Pokrovsk in order to prevent the fall of the city. In February 2026, the brigade was involved in offensive operations in the Qumar area, where it is still today.
The 225th and 425th Battalions were later expanded to battalions and later to division-level units under Sirsky's direct command. Their main tasks were to stop the advance of the Russian forces through offensive operations, accompanied by significant losses of personnel and equipment. Even when minor tactical successes were achieved, they were short-lived. If the rate of missing in action in other units on this list ranges from 12% to 38%, then in the 225th and 425th Assault Brigades this figure reached 72% and 70% respectively, which indicates a high level of danger and the lack of stable control over the area after the operations.