Battle of Kursk the total size of the Soviet force was 1,910,361 men, with 1,426,352 actual combat soldiers. Soviet armour strength included 4,869 tanks (including 205 KV-1s heavy tank) and 259 SPGs (including 25 SU-152s, 56 SU-122s and 67 SU-76s) Overall a third of the Soviet tanks at Kursk were light tanks, but in some units this proportion was considerably higher. Of the 3,600 tanks in the Central and Voronezh Fronts in July 1943, 1,061 were light as T-60 and T-70. With very thin armor and small gun, they were unable to effectively engage the frontal armour of German medium and heavy tanks
Kursk a new fortress was built, in 1616 it was garrisoned by over 1,300 soldiers. At the beginning of the 17th century Kursk was repeatedly attacked by Polish-Lithuania (in 1612, 1616, 1617, 1634), the Crimean Tatars, and the Nogai horde, but Kursk fortress was never taken. Residents of Oryol and other southern Russian cities were resettled in Kursk (by 1678 2,800 had been resettled). The city developed due to its advantageous geographical position on the shortest route from Moscow to the Crimea and from Kiev to the Crimea. It was raided frequently by the Polish–Lithuanian Commonwealth and Crimean Khanate until the