2nd Mechanized Battalion is a linear unit of the 3rd Assault Brigade. The battalion was built on the basis of volunteers from the Azov SSO Sumy branch of the Azov Special Operations Regiment, spread out heavily amongst the battalion, as well as other veterans who had participated in the war in Donbas or had joined…

Spanish Storm Company, also known as Tormenta Hispana in Spanish, is a linear unit of the 1st Rifleman International Battalion of the 3rd Assault Brigade. The company began forming since at least September 2024 to accommodate Spanish-speaking individuals from Latin America into the brigade, and is the third linear company of the battalion.