3rd Heavy Mechanized Brigade

Formation The brigade was formed in 2016 as a reserve unit. It was armed with T-72 tanks. Before February 2022, it was composed of only 130 personnel, who were tasked with maintaining its equipment. Russian invasion of Ukraine Following the start of the 2022 Russian invasion of Ukraine, the brigade's ranks were filled with mobilized soldiers. Neil Hauer reported that elements of the 3rd Tank Brigade were also among the Ukrainian units which retook Izium, as part of the same offensive. In July 2025, it was announced that the 3rd Tank Brigade had been reformed into the 3rd Heavy Mechanized Brigade. == Structure ==

• 3rd Heavy Mechanized Brigade "Iron" • Headquarters • 9th Separate Tank Battalion • Headquarters • 3x Tank Companies (T-72 variants, T-84 Oplot) • Reconnaissance Platoon • Anti-Aircraft Platoon (9K38 Igla, FIM-92 Stinger, Mistral MANPADS) • Engineer & Sapper Platoon • Signals Platoon • Medical Station • Support Company • Technical Support Platoon • Material Support Platoon • 10th Separate Tank Battalion • Headquarters • 3x Tank Companies (T-72 variants, T-84 Oplot) • Reconnaissance Platoon • Anti-Aircraft Platoon (9K38 Igla, FIM-92 Stinger, Mistral MANPADS) • Engineer & Sapper Platoon • Signals Platoon • Medical Station • Support Company • Technical Support Platoon • Material Support Platoon • 11th Separate Tank Battalion • Headquarters • 3x Tank Companies (T-72 variants, T-84 Oplot) • Reconnaissance Platoon • Anti-Aircraft Platoon (9K38 Igla, FIM-92 Stinger, Mistral MANPADS) • Engineer & Sapper Platoon • Signals Platoon • Medical Station • Support Company • Technical Support Platoon • Material Support Platoon • Mechanized Battalion • Headquarters • 3x Mechanized Companies (BMP-1) • Grenade Launcher Platoon (AGS-17) • Reconnaissance Platoon • Mortar Battery (120mm/82mm mortars) • Anti-Aircraft Platoon (9K38 Igla, FIM-92 Stinger, Mistral MANPADS) • Engineer & Sapper Platoon • Signals Platoon • Medical Station • Support Company • Technical Support Platoon • Material Support Platoon • 1st Rifle Battalion • Headquarters • 3x Rifle Companies • Fire Support Company • Reconnaissance Platoon • Mortar Battery (120mm/82mm mortars) • Engineer & Sapper Platoon • Signals Platoon • Medical Station • Technical Support Platoon • Material Support Platoon • 2nd Infantry Battalion "Joker" • Headquarters • 3x Infantry Companies • Fire Support Company • Reconnaissance Platoon • Mortar Battery (120mm/82mm mortars) • Engineer & Sapper Platoon • Signals Platoon • Medical Station • Technical Support Platoon • Material Support Platoon • 36th Separate Rifle Battalion "Steppe Wolves" (Attached) • Headquarters • 3x Infantry Companies • Fire Support Company • Reconnaissance Platoon • Mortar Battery (120mm/82mm mortars) • Rocket Artillery Platoon ("Soroka" MLRS) • Engineer & Sapper Platoon • Signals Platoon • Medical Station • Technical Support Platoon • Material Support Platoon • Artillery Group • Headquarters & Target Acquisition Battery (Leleka-100 & A1-CM Furia drones) • BUAR UAV Group (Drops/Observation) • 1st Self-propelled Artillery Battalion (2S1 Gvozdika) • 2nd Self-propelled Artillery Battalion (2S3 Akatsiya) • 30th Rocket Artillery Battalion (BM-21 Grad, Bastion-01) • Anti-Tank Artillery Battalion (FGM-148 Javelin) • Sniper Platoon • Reconnaissance Platoon • Anti-Aircraft Defense Battalion (ZU-23) • Engineer Battalion (BAT-2) • Transmissions Company • Radar Company • Medical Company • CBRN Protection Company • Commandant's Platoon • Repair and Restoration Battalion (BREM-1) • Logistics Battalion ==Notes==