Major General Akim Yakshin became Division's new commander after Pavel Lagutin was promoted to Executive officer of the 21st Army.

On November 28, 1943, Major General Sergey Frolov became new Divisions commander, he would remain there until the end of the war.

On January 23, 1943 66th was with 104th Rifle Corps 4th Guards Army 3rd Ukrainian Front[4] and took part in Balaton Defensive Operation.

Division finished combat operations in Austria on May 8, 1945 After Victory Day 66th with 27th Army from June 3 to August 23, 1945, was relocating to Ukraine into Carpathian Military District.

[6] During the Soviet–Afghan War, they were stationed in the Samarkhel Military Base in Jalalabad, as well as Asadabad, before 2 February 1989 where control was handed over to the Afghan Army’s 11th Motorized Infantry Division.

[10] On January 19, 1992, the Training Center along with all other units stationed in Ukraine, pledged their allegiance to Ukrainian people.

On September 1, 1992, a new 66th Mechanized Division started forming on the basis of units from the disbanded Training Center.

[1] In early 2023, during the Russian invasion of Ukraine, the Brigade was reactivated and was armed with ex-Soviet weaponry, such as BMP-1 fighting vehicles, BM-21 rocket-launchers, 2S1 and 2S3 howitzers, and ZU-23 anti-aircraft guns.

In addition, it received modernized T-72 tanks, including T-72AMT, T-72 Ural, and the Polish-supplied PT-91 Twardy, as well as American-supplied HMMWV vehicles.