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Encirclement is a military term for the situation when a force or target is isolated and surrounded by enemy forces.[ citation needed ] The situation is highly dangerous for the encircled force. At the strategic level, it cannot receive supplies or reinforcements, and on the tactical level, the units in the force can be subject to an attack from several sides. Lastly, since the force cannot retreat, unless it is relieved or can break out, it must fight to the death or surrender.
A special kind of encirclement is the siege. In that case, the encircled forces are enveloped in a fortified position in which long-lasting supplies and strong defences are in place, allowing them to withstand attacks. Sieges have taken place in almost all eras of warfare.
Encirclement has been used throughout the centuries by military leaders, including generals such as Spartacus, Alexander the Great, Julius Caesar, Genghis Khan, Khalid bin Waleed, Hannibal, Sun Tzu, Yi Sun Shin, Shaka Zulu, von Wallenstein, Nader Shah, Napoleon, von Moltke, Heinz Guderian, von Rundstedt, von Manstein, Zhukov, Patton and Soleimani.
Sun Tzu and other military thinkers suggest that an army should be not completely encircled but instead given some room for escape. Otherwise, the "encircled" army's men will lift their morale and fight to the death. It is better to have them consider the possibility of a retreat. [1] Once the enemy retreats, it can be pursued and captured or destroyed with far less risk to the pursuing forces than a fight to the death.
The main form of encircling, the "double pincer", is executed by attacks on the flanks of a battle whose mobile forces of the era, such as light infantry, cavalry, tanks, or armoured personnel carriers attempt to force a breakthrough to utilize their speed to join behind the back of the enemy force and complete the "ring" while the main enemy force is stalled by probing attacks. The encirclement of the German Sixth Army in the Battle of Stalingrad in 1942 is a typical example. During the Winter War, Finland used "pocket tactics" against the Soviet Union, called motti ; in the context of war, motti describes a tactic that the Finns used to immobilise, segment, surround and destroy the Soviet troops that were many times as large as them. [2]
If there is a natural obstacle, such as ocean or mountains on one side of the battlefield, only one pincer is needed ("single pincer"), because the function of the second arm is taken over by the natural obstacle.[ citation needed ] The German attack into the lowlands of France in 1940 is a typical example of this.
A third and rare type of encirclement can ensue from a breakthrough in an area of the enemy front, and exploiting that with mobile forces, diverging in two or more directions behind the enemy line. Full encirclement rarely follows, but the threat of it severely hampers the defender's options. This type of attack pattern is centerpiece to blitzkrieg operations. Because of the extreme difficulty of this operation, it cannot be executed unless the offensive force has a vast superiority, either in technology, organization, or sheer numbers. The Barbarossa campaign of 1941 saw some examples.
The danger to the encircling force is that it is, itself, cut off from its logistical base; if the encircled force is able to stand firm, or maintain a supply route, the encircling force can be thrown into confusion (for example, Rommel's "Dash to the Wire" in 1941 and the Demyansk Pocket in 1942) or be comprehensively destroyed (as during the Burma campaign, in 1944).
Some examples of battles of encirclement are listed below.
The pincer movement, or double envelopment, is a military maneuver in which forces simultaneously attack both flanks (sides) of an enemy formation. This classic maneuver has been important throughout the history of warfare.
A salient, also known as a bulge, is a battlefield feature that projects into enemy territory. The salient is surrounded by the enemy on multiple sides, making the troops occupying the salient vulnerable. The opponent's front line that borders a salient is referred to as a re-entrant – that is, an angle pointing inwards. A deep salient is vulnerable to being "pinched off" through the base, and this will result in a pocket in which the forces in the salient become isolated and without a supply line. On the other hand, a breakout of the forces within the salient through its tip can threaten the rear areas of the opposing forces outside it, leaving them open to an attack from behind.
The 6th Army was a field army of the German Army during World War II. It is widely known for its defeat by and subsequent surrender to the Red Army at the Battle of Stalingrad on 2 February 1943. It committed war crimes at Babi Yar while under the command of Field Marshal Walther von Reichenau during Operation Barbarossa.
A pocket is a group of combat forces that have been isolated by opposing forces from their logistical base and other friendly forces. In mobile warfare, such as blitzkrieg, salients were more likely to be cut off into pockets, which became the focus of battles of annihilation.
The Eastern Front was a theatre of World War II which primarily involved combat between the nations and allies of Nazi Germany and the Soviet Union. Combat in the Eastern Front began with the two powers remaining peaceful towards each other, with the annexation of countries such as Albania and portions of Poland by Germany and its allies, and the annexation of Finland and the rest of Poland by the Soviet Union. However, in 1941, Nazi Germany invaded the Soviet Union, putting an end to the peacetime. The majority of major battles in the Eastern Theatre from 1941 until the end of the war in 1945 were fought between the two powers. The following timeline indicates major events taking place on the Eastern Front.
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The 6th Panzer Division was an armoured division in the German Army, the Heer, during World War II, established in October 1939.
The 11th Panzer Division was an armoured division in the German Army during World War II, established in 1940.
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The Demyansk Pocket was the name given to the pocket of German troops encircled by the Red Army around Demyansk, south of Leningrad, during World War II's Eastern Front. The pocket existed mainly from 8 February to 21 April 1942.
The Northwestern Front was a military formation of the Red Army during the Winter War and World War II. It was operational with the 7th and 13th Armies during the Winter War. It was re-created on 22 June 1941, the first day of the Eastern Front on the basis of the Baltic Special Military District. On 22 June the Front consisted of the 8th, 11th, and 27th Armies, as well as the 5th Airborne Corps and the headquarters of the 65th Rifle Corps.
The 79th Infantry Division(79. Infanterie-Division) was an infantry division of Nazi Germany's Wehrmacht during World War II.
The 389th Infantry Division was a German division of the Wehrmacht in the Second World War, which fought for example in the Battle of Stalingrad. It was formed on 27 January 1942 in Milowitz.
The 24th Infantry Division was a German Army infantry division active in World War II. It served across the Eastern Front in engagements such as the Sieges of Sevastopol and the Leningrad, finally being destroyed in the Courland Pocket in 1945.
In military tactics, a flanking maneuver, or flanking manoeuvre, is an attack on the sides of an opposing force. If a flanking maneuver succeeds, the opposing force would be surrounded from two or more directions, which significantly reduces the maneuverability of the outflanked force and its ability to defend itself.
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