Wednesday, March 8, 2023

Surprise and Shock in Warfare

 From Stragedy Bridge:

There is a long history of commanders using surprise assaults—often in conjunction with demonstrations, feints, and ruses—to break through, envelop, or outflank an enemy on the battlefield. Examples span millennia from the 12th or 13th century BCE Trojan Horse recounted in Homer’s Odyssey, the Battle of Cannae in 206 BCE during the second Punic War, the Battle of the Teutoburger Wald in 9 CE, the 1187 Battle of Hattin, the Battle of Trenton in 1776, the 1940 Battle of Taranto, Pearl Harbor in 1941, the 1950 Chinese intervention in the Korean War, the 1967 Six Day War, and the 1973 October War, illustrating that surprise is a recurring tactic that is sometimes executed with devastating impact on the opposing force.[2] Moreover, surprise itself occurs militarily because the defender either fails to obtain advance warning or fails to respond quickly and effectively to counter the attack despite having prior warning. In other words, surprise is an action on the battlefield that is unanticipated by the enemy’s decision calculus.

Surprise by its very nature, therefore, is a psychologically traumatic, not just a physical, event happening at a specific time and place. Shock constitutes the cognitive and emotional responses, individually and collectively, to surprise. In essence, shock is a potential but not automatic effect of varying impact associated with surprise. As a result, because it is unexpected, a surprise attack may make the difference between success and failure, especially in the early stages of an armed conflict due to the amplified stress it generates. As Clausewitz posited, “Surprise therefore becomes the means to gain superiority, but because of its psychological effect it should also be considered as an independent element. When it is achieved on a grand scale, it confuses the enemy and lowers his morale.”[3] Hence, this article examines the interplay of surprise and shock in military operations and analyses the implications of that interplay on decision-making in warfare.

According to Clausewitz, surprise is essential in gaining superiority at the decisive point.[4] Surprise, therefore, is not an end in itself but is a means for gaining opportunities that must be rapidly and continuously exploited to achieve an advantage over the adversary.[5] In essence, surprise in the context of military operations is typically intended to achieve a decisive outcome tactically, operationally, or strategically. Usually, that advantage over the enemy is gained at the tactical or operational level.[6] More rarely, deftly employed surprise at the operational level may be sufficiently impactful that it produces strategic victory.

The World War I Battle of Cambrai from 20 November to 3 December 1917 is a prime example of the possibilities for surprise. Although the effects of surprise were overwhelming, the British Expeditionary Force was unable to exploit the opportunity presented before the Germans were able to rally and counterattack, thereby avoiding a strategic defeat.[7] Similarly, Lee and Jackson’s decision to split the Confederate Army of Northern Virginia and outflank the numerically superior Union Army of the Potomac on the 2nd day of the 1-3 May 1863 Battle of Chancellorsville during the American Civil War was audacious and produced a crushing operational, but not strategic, success.[8] On the other hand, during World War II, the German May-June 1940 campaign in the West overwhelmed the French military’s ability to deal with fighting coming from behind them versus where they expected it, leading to France’s collapse and surrender.[9] Neither campaign, however, was decisive in terms of winning the war, underscoring the difficulty of transforming well-executed operational surprise and its attendant shock into strategic victory. (Read more.)

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