3rd Separate Heavy Mechanized "Zalizna" (Iron) Brigade

The 3rd Separate Heavy Mechanized "Zalizna" (Iron) Brigade (3 OVMBr, military unit A2573) is an armored formation of the Ground Forces of the Armed Forces of Ukraine, which plays an important role in defending the state against Russian aggression.

The brigade was formed in 2016 as a cadre unit of the Reserve Corps. Before the start of Russia's full-scale invasion in 2022, the brigade had a limited composition focused on equipment maintenance. After the invasion began, the brigade was fully mobilized and actively engaged in combat operations. In particular, it took part in fighting in the Kyiv, Izium, Kharkiv, Sloviansk, and Zaporizhzhia directions.

9th, 10th, and 11th Separate Tank Battalions, equipped with T-72 and T-84 "Oplot" tanks
A mechanized battalion, armed with BMP-1
1st and 2nd Rifle Battalions (call sign "Joker")
36th Separate Rifle Battalion "Stepovi Vovky" (Steppe Wolves), attached to the brigade
Artillery group: 2S1 "Gvozdika" and 2S3 "Akatsiya" self-propelled howitzers, BM-21 "Grad" and "Bastion-01" multiple rocket launchers
Anti-tank artillery battalion, armed with FGM-148 Javelin ATGMs
Support units
Engineer battalion
Signal battalion
Medical company
NBC protection company
Repair and recovery battalion
Logistics battalion
Other units

The brigade is equipped with modern equipment and weapons, including:
T-72 and T-84 "Oplot" tanks;
BMP-1 infantry fighting vehicles;
2S1 "Gvozdika" and 2S3 "Akatsiya" self-propelled howitzers;
BM-21 "Grad" and "Bastion-01" multiple rocket launchers;
FGM-148 Javelin anti-tank guided missile systems;
ZU-23 anti-aircraft guns;
9K38 "Igla", FIM-92 Stinger, and Mistral MANPADS;
"Leleka-100" and A1-CM "Furia" unmanned aerial vehicles.

Honorary name: "Zalizna" (Iron).

Motto: "Semper deinceps" ("Always forward!").

Emblem: an image of a lion, symbolizing strength and courage.

3rd Separate "Iron" Tank Brigade.

The brigade actively sustains fighting spirit and traditions, organizing events for servicemen and their families, and conducts active outreach through its official Facebook page.