In military history, the term "generations of warfare" refers to the concept of five "generations" in warfare, with each generation having different tactics, strategies, and technologies. The generations of warfare are sometimes dubbed as "4GW" or "5GW". The term originated in 1989 to describe "the changing face of war" over time, initially only referring to the emergence of the fourth generation, but eventually seeing the addition of a fifth generation. There are five generations of warfare:
First-generation warfare, the most long-span of all generations, refers to ancient, post-classical, and early modern battles fought with massed manpower, using phalanx, line, pike and shot, and column tactics with uniformed soldiers governed by the state. This generation came to an end around the mid-nineteenth century due to rapid improvements in the range, accuracy, and rate-of-fire of many weapon systems. Second-generation warfare refers to military revolution and industrial warfare, evolving after the invention of the rifled musket and breech-loading weapons and continuing through the development of the machine gun and indirect fire. This generation predates the widespread effective use of motorised vehicles in battle and combined arms. The term second generation warfare was created by the U.S. military in 1989. Third-generation warfare focuses on using late modern technology-derived tactics of leveraging speed, stealth, and surprise to bypass the enemy's lines and collapse their forces from the rear. Essentially, this was the end of linear warfare on a tactical level, with units seeking not simply to meet each other face to face but to outmaneuver each other to gain the greatest advantage. Armoured units, military aircraft, and airborne forces began to play an increasingly critical role in operations, with the development of strategies such as Blitzkrieg and deep operation. Fourth-generation warfare as presented by Lind et al. is characterized by a post-modern return to decentralized forms of warfare, blurring of the lines between war and politics, and between combatants and civilians, due to states' loss of their near-monopoly on combat forces, returning to modes of conflict common in pre-modern times. Guerrilla groups, private military contractors, and paramilitary organisations play a prominent role in fourth-generation warfare. Fifth-generation warfare is conducted primarily through non-kinetic military action, such as social engineering, misinformation, and cyberattacks, along with emerging technologies such as artificial intelligence and fully autonomous systems. Fifth generation warfare has been described by Daniel Abbot as a war of "information and perception".
First generation
In 1648, at the end of the Thirty Years' War, the Treaty of Westphalia gave a practical sovereignty to the German states, which until then were semi-independent components of the Holy Roman Empire. This more firmly established the sovereignty of the nation state, which meant, among other things, that governments would have exclusive rights to organize and maintain their own militaries. Before this time, many armies and nations were controlled by religious orders and many wars were fought in melee combat, or subversively through bribery and assassination. The first generation of modern warfare was intended to create a straightforward and orderly means of waging war. Alternatively, it has been argued that the Peace of Westphalia did not solidify the power of the nation state, but that the Thirty Years' War itself ushered in an era of large-scale combat that was simply too costly for smaller mercenary groups to carry out on their own. According to this theory, smaller groups chose to leave mass combat—and the expenses associated with it—in the domain of the nation-state. The increased accuracy and speed of the rifled musket and the breech-loader marks the end of first generation warfare; the concept of vast lines of soldiers meeting face to face became impractical due to the heavy casualties that could be sustained. Because these technologies were adopted gradually throughout the Americas and Europe, the exact end of the first generation of modern warfare depends on the region, but all world powers had moved on by the latter half of the 19th century. In order to create a more controlled environment for warfare, a military culture was developed that, in many ways, is still visible in the armed forces of today. Specially crafted uniforms set soldiers apart from the general populace. An elaborate structure of rank was developed to better organize men into units. Rules for military drills were perfected, allowing line and column maneuvers to be executed with more precision, and to increase the rate of fire in battle. Control of media and information released during the war and the production of counterfeit money in order to devaluate the enemy's economy were used for the first time during the Napoleonic Wars.
Examples American Revolutionary War Anglo-Spanish War Carnatic wars Crimean War English Civil War First Anglo-Maratha War First Anglo-Sikh War First Italian War of Independence First Schleswig War Franco-Dutch War French Revolutionary Wars Great Northern War Great Turkish War Hungarian Revolution of 1848 Mexican War of Independence Napoleonic Wars Second Anglo-Maratha War Second Anglo-Sikh War Seven Years' War Texas Revolution Thirty Years' War War of 1812 War of the Austrian Succession War of the Bavarian Succession War of the Spanish Succession
Second generation
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