The battalion was formed in 2023, as a separate battalion of the 144th Infantry Brigade. At the end of 2024, the battalion was reformed into a linear battalion of the 144th Mechanized Brigade.

The 404th Separate Rifle Battalion is an infantry battalion of Ukrainian Ground Forces, based in Cherkassy. By the end of 2024, the battalion transferred and joined the 31st Mechanized Brigade.

402nd Rifle Battalion is a unit of the Ukrainian Ground Forces. It was formed and assigned to the 143rd Mechanized Brigade in 2023 as a Reserve Rifle Battalion, before being reformed as the 402nd Rifle Battalion. In 2024, the battalion was reassigned to the command of the 66th Mechanized Brigade. In 2025, a motorized battalion…

The 401st Infantry Battalion was a unit of the Ukrainian Ground Forces. It was formed and assigned to the 143rd Mechanized Brigade in 2023 as a Reserve Rifle Battalion, before being reformed as the 401st Infantry Battalion. In 2024, the battalion became defunct and was reformed as the 2nd Rifle Battalion of the 110th Mechanized…

Special Group Yunger is a unit under the command of Timur Special Unit of the Main Intelligence Directorate. This combat unit was created in 2022 from motivated fighters with extensive military experience. “Yunger” fighters have taken part in battles in Kyiv and Chernihiv regions, stood out on the Zaporizhzhia front, in special operations in Crimea,…

703rd Support Brigade is a military engineering unit of the Ground Forces of Ukraine. In December 2024, the regiment was expanded into a brigade.

91st Support Regiment is a unit of the Ground Forces of Ukraine. In the first days of the Russian full-scale invasion, the regiment together with other units defended its home city. On February 26, 2022, an airstrike hit barracks and sanitary unit of the regiment, killing more than 70 soldiers of the unit. In 2025,…