Operation Spark (1943)
| Operation Iskra | |||||||||
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| Part of the Eastern Front of World War II | |||||||||
 Development of Operation Iskra with the front line on the end of the January 12, 17 and 21, 1943. |
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| Belligerents | |||||||||
 Germany
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 Soviet Union
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| Commanders and leaders | |||||||||
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Georg Lindemann
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Kirill Meretskov Leonid Govorov
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| Units involved | |||||||||
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18th Army: 6 divisions initially Total: 26 divisions |
2nd Shock Army 8th Army 67th Army Total: 20 divisions, 15 brigades |
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| Strength | |||||||||
| 700 artillery pieces 50 tanks |
4600 artillery pieces 500 tanks 900 aircraft |
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| Casualties and losses | |||||||||
| 12,000 killed, 32,570 wounded | 33,940 dead and missing, 71,142 wounded and sick. In all 115,000 |
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Operation Iskra (Russian: операция «Искра», operatsiya Iskra; English: Operation Spark) was a Soviet military operation during World War II, designed to break the German Wehrmacht's Siege of Leningrad. Planning for the operation began shortly after the failure of the Sinyavino Offensive. The German defeat in the Battle of Stalingrad in late 1942 had weakened the German front. By January 1943, Soviet forces were planning or conducting offensive operations across the entire German-Soviet front, especially in southern Russia, Iskra being the northern part of the wider Soviet 1942–1943 winter counter offensive.
The operation was conducted by the Red Army's Leningrad and Volkhov Fronts, and the Baltic Fleet during January 12–30, 1943 with the aim of creating a land connection to Leningrad. The Soviet forces linked up on January 18, and by January 22, the front line was stabilised. The operation successfully opened a land corridor 8–10 kilometres (5.0–6.2 mi) wide to the city. A rail road was swiftly built through the corridor which allowed more supplies to reach the city than the Road of Life across the frozen surface of Lake Ladoga, significantly reducing the possibility of the capture of the city and a German–Finnish linkup.
The success led to a much more ambitious offensive operation named Polyarnaya Zvezda (Polar Star) less than two weeks later. That operation had the aim of decisively defeating Army Group North, lifting the siege altogether, but it achieved only minimal progress. Soviet forces made several other attempts in 1943 to renew their offensive and completely lift the siege, but made only modest gains in each one. The corridor remained in range of German artillery and the siege was only over on January 27, 1944.
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