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 submarine disaster Kursk submarine disaster The sinking of the nuclear-powered "Kursk" (Russian: ), took place during the first major Russian naval exercise in more than ten years, in the Barents Sea on 12 August 2000, killing all 118 personnel on board. The Russian government and navy came under intense criticism over the incident. Nearby ships registered the initial explosion and a second, much larger, explosion which registered 4.2 on the Richter scale on seismographs as far away as Alaska, yet the Russian Navy did not realise that the sub had sunk and did not initiate a search for more than six hours,