WWII Operation Uranus
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WWII Operation Uranus How the Soviets Trapped the German 6th Army in Stalingrad In the fall of 1942, the Red Army had its back to the wall once again. During the first six months of the 1941 German invasion of the Soviet Union, the Wehrmacht had killed or captured almost three million Russian soldiers. December brought the Soviet Winter Offensive, which sent the German Army reeling back at the cost of another million Russian dead. Hitler Takes Aim at the Oilfields in the Caucasus Overextended Soviet supply lines, coupled with the onset of the spring thaw, brought the offensive to a halt, allowing both sides to regroup. As replacements and reinforcements rushed to the front, Adolf Hitler began planning a new offensive that he hoped would economically strangle his communist enemy. Codenamed “Blau” (Blue), the offensive was aimed at seizing the oilfields in the northern Caucasus and establishing a defensive line running along the Don River from Stalingrad to Voronezh. The move would deprive the Russians of valuable oil and, at the same time, provide that much needed commodity to the German armed forces. It was an ambitious plan—one that would stretch German armies in southern Russian to their limit. To bolster the German attack forces, Hitler called upon his Italian and Romanian allies to supply 1 divisions for the offensive. In response, Mussolini ordered his 8th Italian Army to participate while Romanian dictator Ion Antonescu offered the 3rd and 4th Romanian Armies. Hungary and Slovakia also contributed to the cause. The Soviets’ Disastrous Results Stalin had ambitious plans of his own. In mid-May, he ordered the Red Army to recapture Kharkov, which had been under German control since the previous fall. The offensive was a disaster, costing the Russians almost 300,000 casualties and shattering five Soviet armies. As the Russians reeled from this latest defeat, preparations went forward for Blau, with orders being sent out to corps and division commanders detailing their part in the operation. For the Russians, the Kharkov offensive was another blow for an army still trying to find its way in the Blitzkrieg era. From Stalin downward, commanders had made mistakes costing millions of lives. By mid-1942, the situation seemed like it would not improve in the foreseeable future. In the far north, the Germans were advancing on Murmansk. Leningrad was besieged and starving, and a German salient around Rzhev was only about 150 miles from the Kremlin. In southern Russia, the Kharkov offensive had failed and the Crimean port of Sevastopol was almost certain to fall within a few weeks. Now it appeared that the Germans were grouping for a southern offensive of their own, and staff and intelligence officers in Moscow were working day and night trying to figure out where and when the Germans would strike. Operation Blau’s Plans Fall into the Soviets’ Lap For once, the Fates intervened on the side of the Soviets. On June 19, nine days before Blau was scheduled to begin, Major Joachim Reichel, the chief of operations of the 23rd Panzer Division, was flying back to his divisional headquarters after an aerial inspection of the front. His light aircraft, a Fiesler Storch, either developed engine problems or ran into turbulent weather. Whatever the cause, the Storch went down, forced to land behind the Russian lines. Against orders that forbade classified material being taken into the forward areas, Reichel had kept the operational orders for Blau in his briefcase when he took off on his inspection flight. As he frantically tried to burn the briefcase, a Russian patrol appeared. Reichel’s fate is not known, but less than an hour later the plans were sitting in front of the commander of the 76th Rifle Division. It was all there—orders of battle, divisional operational plans, maps, and timetables. The gold mine of information made it quickly up the chain of command. Army and Front commanders gleefully waited for orders from Moscow concerning how the information could be used, but they were sorely disappointed. When news of the find reached Stalin, he dismissed the papers as either forgeries or a deception plot. He had the plans for Blau, and he did nothing. 2 On the German side, Hitler was furious when told about the debacle. Several officers were sacked, and an air of uncertainty spread through the German high command. Did Reichel manage to destroy the documents or were they now in Soviet hands? No one knew. Nevertheless, Hitler was determined to achieve his goal. The offensive would not be called off. Hitler Green Lights Blau, Then Changes the Plan Blau began on June 28 with Generaloberst (Colonel General) Maximillian Freiherr von Wiechs’s 2nd Army and Generaloberst Hermann Hoth’s 4th Panzer Army advancing on Voronezh. On June 30, General Friedrich Paulus’s 6th Army began its attack to clear the Donets corridor. The Soviets fell back in disarray, suffering heavy casualties as they retreated. In mid-July, Hitler astounded his commanders by assigning more objectives for the offensive. He divided the powerful Heeresgruppe Süd (Army Group South), his main attack force, into Heeresgruppe A (Field Marshal Wilhelm List) and Heeresgruppe B (von Weichs), and set a new list of priorities. List, with the 11th Army, 17th Army, and the 1st Panzer Army, was ordered to take all the oilfields north of a line running from Batumi, near the Turkish border, to Baku on the Caspian Sea. Von Weichs’s Heeresgruppe B (2nd Army, 6th Army, and 4th Panzer Army) was still assigned the mission of establishing a protective flank along the Don River, but Paulus was given one more objective for his 6th Army: capture Stalingrad! Hitler had hardly mentioned the city before July, but the idea of capturing a great industrial center named for his arch enemy slowly became a fixation. In designating Stalingrad as a major objective and adding objectives in the Caucasus, the Führer had upset the operational planning of his entire southern front. To accomplish his new plan, Hitler diverted Hoth’s 4th Panzer Army south to help in the Caucasus operation and to protect Paulus’s right flank, leaving a weakened Heeresgruppe B to continue slugging it out with the Russians in the Donets corridor. Despite Hitler’s meddling, von Weichs’s troops continued to press forward. In the south, Rostov was taken, allowing the motorized and panzer divisions of Heeresgruppe A to drive a deep wedge into the Caucasus. Hitler Fixates on Capturing Stalingrad Hitler was ecstatic as he read List’s reports, but he grew increasingly impatient about von Weichs’s operations in the north. He complained about the slow progress in reaching Stalingrad, conveniently forgetting that he had stripped most of the motorized divisions from Heeresgruppe B. Growing more anxious, he made another astounding move by ordering the 4th Panzer Army to disengage in the northern Caucasus and return north to help in the drive to the Volga. The order angered both List and Generaloberst Franz Halder, the chief of staff of the German Army. When they protested to Hitler, he dismissed them both, personally taking command of 3 Heeresgruppe A. Other commanders cautiously brought up the fact that the drive on Stalingrad, coupled with the enlarged Caucasus operation, was dangerously stretching the German flanks to the limit. Hitler dismissed the danger, reminding his generals that the Italians, Romanians, and Hungarians were on the way. He assured them that these reinforcements could handle the flanks while German forces pursued their objectives. It was an amazing statement, considering the quality of the men and equipment that would be tasked with guarding those flanks. The equipment in the three allied armies was mostly obsolete, some dating back to World War I. Much of the artillery was horse-drawn, and heavier caliber weapons were sorely lacking. Officers in the Romanian and Italian Armies generally treated their men as ignorant peasants, and there was a vast difference in lodging and dining privileges between those that gave orders and the common soldier. Although allies of Germany, Romanian and Hungarian units could not co-exist on the same sector of the front. Age-old religious and ethnic rivalries remained ingrained, and the two sides could just as easily open fire against each other as they would on the Russians. The Battle for Stalingrad Begins When reviewing all these factors—Hitler’s meddling, dubious allies, and an increasing list of objectives—it seems incredible that the Wehrmacht made it as far as it did in the fall of 1942. On August 23, Paulus reached the Volga north of Stalingrad, and the battle for the city began in earnest. The 2nd Army had taken Voronezh, establishing a bridgehead on the eastern bank of the Don, and Heeresgruppe A continued its drive south, reaching the Kuban River and heading for the Caucasus oil wells. The void left by these operations was filled by the arriving allied armies. With the 6th Army, assisted by elements of the 4th Panzer Army, engaged at Stalingrad, General Petre Dumitrescu’s 3rd Romanian Army (two cavalry and eight infantry divisions) took over a defensive line northeast of the city that ran for about 90 miles along the Don River. To his right was General Giovanni Messe’s 8th Italian Army, which formed a wedge between the Romanians and the 2nd Hungarian Army. General Constantin Constantinescu’s 4th Romanian Army (two cavalry and five infantry divisions) was thrown in south of the city. It occupied a line running approximately 170 miles from Straya Otrada to Sarpa. Georgi Zuhkov: Miracle Worker 4 The dispositions of the allied armies were a clear invitation for disaster.