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 Oblast waters of Kursk oblast consist of 145 artificial lakes and about 550 small ponds. Kursk Oblast is one of the nation's major producers of iron ore. The area of Kursk Magnetic Anomaly has one of the richest iron-ore deposits in the world. Rare earths and base metals also occur in commercial quantities in several locations. Refractory loam, mineral sands, and chalk are quarried and processed in the region. Oblast's sufficient reserves of artesian well water are proving useful for medical purposes. The oblast's location at the center of the European part of Russia gives the region a medium continental climate: