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"Evolution of Weaponry"

Weapons as Devices to Overcome Physical and Psychological Limitations

Leaders as a Psychological Weapon: Milgram's famous obedience research demonstrated the tremendous influence that can be wielded by an unknown individual in a white lab coat in a laboratory situation, but on the battlefield the influence of a respected leader, with the trappings of true power, wielding authority over life and death, can far transcend Milgram's results. Marshall is one of many who have noted that soldiers will invariably fire if an officer stands over them and demands that they do so, but this firing will generally decrease as soon as the officer leaves.

The modern concept of a combat leader usually calls up visions of a hardened veteran moving behind a battle line of his men, exhorting, encouraging, punishing, rebuking, correcting, and rewarding them. But combat leadership has not always been like this. Armies have always had leaders, but the Romans were the first to take proven warriors and systematically develop them into professional leaders, starting at the lowest levels. Prior to this time leaders were usually expected to get into the battle and lead from the front, but the Romans were the first to place leaders behind their men in an open order of battle. The influence of this kind of leadership was one of the key factors in the success of the Roman way of war, and this process of having a respected, proven, small-unit leader, who moves behind his men and demands effective killing activity from them (but does not himself necessarily have to kill) continued to be a key factor in effective combat in the centuries that followed. This kind of leadership initially disappeared with the Roman Empire, but it appeared again sporadically in the firing lines of English long bowmen and then as a systematically applied factor in the firing lines of the successful armies of the gunpowder era and continued into the present.

Groups as a Psychological Weapon: Konrad Lorenz observed that "man is not a killer, but the group is." This fundamental observation of human nature has great utility in helping to understand the effectiveness of what are generally referred to as "crew-served" weapons. These are weapons that require more than one individual to use, which provides a form of mutual accountability and a diffusion of responsibility, which is very effective in enabling killing. Marshall noted in World War II that the firing rates of individual soldiers was very low, but crew served weapons (primarily machine guns) almost always fired.

Such weapons have generally done the majority of the killing throughout the history of warfare, beginning with the chariot, which was the earliest crew-served weapon. The chariot often employed a driver and a passenger who generally fired a bow (which added the factor of distance in the violence-enabling equation) and was most effective in the pursuit, when their mobility advantage gave them the ability to shoot large numbers of fleeing enemy in the back. The powerful group dynamics of the chariot (along with its mobility) were to show up again, over 2 millennia later, in the tanks of the 20th century.

The Greek phalanx was a mass of spearmen in tight ranks, carrying spears approximately 4 meters long and protecting themselves with overlapping shields, highly trained to move in a formation organized in depth (i.e., moving and fighting "in column" as opposed to "in line") and trained to strike the enemy as a coherent mass. As such it was a form of crew-served weapon in which newer members were placed in the front and were thereby under direct observation and accountability by the veteran warriors behind them. The phalanx was of such utility that it has shown up repeatedly throughout history and around the world.

The first systematic military use of gunpowder was in cannons, and these crew-served weapons immediately began to dominate the battlefield. Unlike the early muskets, cannons were effective killers from the beginning. Not only did they provide the best form of posturing (i.e., noise-making) ever to be seen on the battlefield, but they were also a highly effective crew-served weapon (being generally manned by numerous individuals and directly commanded by an officer or a sergeant with sole responsibility for that gun and its crew) whose crew members almost never showed any hesitation or mercy in killing the enemy. At close range the cannon fired "grape shot" into tightly packed enemy formations, thus becoming, in effect, a great shotgun capable of killing hundreds of men with a single shot. Napoleon, that "greatest psychologist," demonstrated his understanding of the true killing utility of the cannon (and the comparative ineffectiveness of infantry) by ensuring that his armies always had a higher percentage of cannons than his enemies and by massing those cannons at key points in the battle.

In the 20th century the cannon became an "indirect fire" system (i.e., firing over the heads of friendly combatants from a great distance away), and the machine gun (with its "gunner" and "assistant gunner" or "loader") came to replace the cannon in the crew-served, "direct fire" role on the battlefield. In World War I the machine gun was called the "distilled essence of the infantry," but it was really just a continuation of the cannon in its old, crew-served, mass-killing role.

The crew-served machine gun is still the key killer on the close-range battlefield, but the evolution of group-enabling processes can continue to be seen in tanks and armored personnel carriers. At sea the dynamics of the crew-served weapon have been in play since the beginning of the gunpowder era, i.e., crew-served weapons, distance, and the influence of leaders.

Conditioning as a Psychological Weapon: By 1946 the U.S. Army had completely accepted Marshall's World War II findings of a 15-20% firing rate among American riflemen, and the Human Resources Research Office of the US Army subsequently pioneered a revolution in combat training that replaced the old method of firing at bulls-eye targets with that of deeply ingrained conditioning using realistic, human-shaped pop-up targets that fall when hit. Psychologists know that this kind of powerful operant conditioning is the only technique that reliably influences the primitive, midbrain processing of a frightened human being. Just as fire drills condition terrified school children to respond properly during a fire, and repetitious, "stimulus-response" conditioning in flight simulators enables frightened pilots to respond reflexively to emergency situations.

Throughout history the ingredients of posturing, mobility, distance, leaders, and groups have been manipulated to enable and force combatants to kill, but the introduction of conditioning in modern training was a true revolution. The application and perfection of these basic conditioning techniques appears to have increased the rate of fire from near 20% in World War II to approximately 55% in Korea and around 95% in Vietnam. Similar high rates of fire resulting from modern conditioning techniques can be seen in FBI data on law enforcement firing rates since the nationwide introduction of modern conditioning techniques in the late 1960s.

One of the most dramatic examples of the value and power of this modern, psychological revolution in training can be seen in Richard Holmes' observations of the 1982 Falklands War. The superbly trained (i.e., conditioned) British forces were without air or artillery superiority and consistently outnumbered 3-to-1 while attacking the poorly trained but well-equipped and carefully dug-in Argentine defenders. Superior British firing rates (which Holmes estimates to be well over 90%), resulting from modern training techniques, has been credited as a key factor in the series of British victories in that brief but bloody war. Any future army that attempts to go into battle without similar psychological preparation is likely to meet a fate similar to that of the Argentines.

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