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In 2200 A.D., the earth entered a new era, an era of peace after turmoil, the earth has just ended a war that swept the entire human world, the third world war, but this war did not break out as people predicted before the war, and did not let human civilization be completely destroyed because of this war, human beings were reborn in this war, the reason why this is so is due to the universal application of laser weapons and electromagnetic technology, although nuclear weapons are powerful enough, but the carrier of nuclear weapons is not comparable with laser weapons in terms of speedOnce the nuclear weapon is launched, it will be quickly locked onto by the opponent's laser weapon and hit the warhead to destroy it.

Due to the rapid development of science and technology, human beings have been able to use a lot of natural energy, such as solar energy, wind energy, tidal energy, etc., which are converted into electrical energy or other energy sources to drive various carriers, such as various aircraft, warships, automobiles, etc., but the production and utilization of these energy equipment requires a large number of non-renewable resources such as oil, metals, especially some rare metals, but due to the uncontrolled development of human beings in the twentieth and twenty-first centuries, these non-renewable resources have been almost exhaustedSo when the new era comes, the various countries of mankind find that there is no way to satisfy human greed except war. Originally, before the war, the major powers of mankind planned to jointly promote a space exploration program to meet the depleting resources of mankind, but this exploration program was too huge, consumed too many resources, a single country could not complete it at all, and whether it could finally achieve the results that mankind wanted was unknown, so some ambitious politicians could not wait for such a long process for their own personal purposes, and the war inevitably broke out, in the early stage of the war, mankind still adopted the traditional mode of war, various advanced aircraft in the air roared, aircraft carrier formations in the sea attacked each other, although helicopters and tanks were on landArtillery, a huge machine that dominated land warfare in the past, has become outdated, but they are still heavily equipped by various teams, especially some poor countries, and exert their power, and it is the traditional mode of war that makes a large number of human soldiers die, so human beings have developed biological highly intelligent robot soldiers and genetically modified human synthetic soldiers, which are soldiers who absolutely surpass the bottom line of human morality and law in the past peacetime, and are finally sent to the battlefield by various governments.

The reason why this is so is because once these soldiers are killed or destroyed on the battlefield, humans can quickly recover them when the war stops, and then send them back to the base for maintenance and repair, and then be sent to the battlefield, the most important reason is that these highly intelligent robot soldiers and genetically synthesized soldiers, their cost is very low compared to human soldiers, and the combat effectiveness of these soldiers is many times that of ordinary human soldiers, generally a highly intelligent robot warrior can deal with fifteen to twenty ordinary human soldiers, and genetically synthesized human soldiers can also kill five to six human soldiers in a head-on confrontation, but after all, these soldiers have some moral bottom lines beyond human beings, so they look the same as human appearances to hide people's eyes, but in the later stage, this is already an open secret In the old saying, everyone on the earth knows it, but war has made people's nerves numb.

It can be said that these two kinds of soldiers have many abilities that ordinary human soldiers do not have, but these two kinds of soldiers also have fatal flaws, that is, lack of creativity and judgment, which is the deliberate result of human scientists, they only need to carry out the instructions of human commanders.

When the war reached the late stalemate stage, many human countries found that the nuclear weapons in their nuclear arsenals had become a chicken rib weapon, this is because many military powers were equipped with laser weapons, and the traditional weapons all withdrew from the stage of history, so a large number of weapons produced before the war and in the war were all dismantled and re-furnaced to make more advanced weapon carriers or sold at a high price to their younger brothers in poor countries, of course, there is an attack, there is a defense, human beings have not only developed a laser weapon in charge of attack, but also developed an electromagnetic defense system mainly for laser weapons, and the working principle of the electromagnetic defense system is mainly for laser weapons, because the laser weapon is to concentrate the energy to attack, and the electromagnetic defense weapon is to form a high-speed rotation of the energy through electromagnetic energy to form a defensive shield, so that the laser weapon has achieved the role of defending the laser weapon when attacking the defensive cover, of course, the electromagnetic defense system also has weaknesses, and human beings have developed the space transmission weapon system of the penetration electromagnetic defense system, as well as the visual and thermal stealth weapon system.

Space teleportation system is a kind of object or creature can be directly teleported from point A to point B, as long as the coordinates of point A and point B can be entered, this technology was studied by major military powers before the war, at first it can only transmit an object the size of an adult's fist, and later due to the war greatly stimulated the development of various military technologies, people have been able to transmit an object the size of a car, so countries use this technology to continue to penetrate the electromagnetic defense system established by various countries, of course, the space transmission system often makes mistakes due to the changes in space turbulenceThe larger the volume, the more personnel there are, the more errors occur in the teleportation, so it is not a need for a strategic-level campaign, and countries rarely use the space teleportation system.

The visual and thermal stealth system is a special composite material that uses the human eye to perceive light and hide the heat of the human body, which is made into clothing or other coverings, and without the use of special equipment, people can not visually see the enemy using this composite material, even if it is difficult to find it with thermal imaging radar.

However, these new weapons have their own shortcomings, first of all, the volume of laser weapons and electromagnetic defense weapons, although mankind has developed laser weapons and electromagnetic defense weapons for many years, but because of the existence of nuclear weapons of mass destruction in the past nearly 100 years, all major military powers have nuclear weapons, so various countries have not focused on the development of this kind of weapons, so when the war begins, the smallest laser weapons have to be carried on 10,000-ton medium and large ships, and electromagnetic defense weapons are even more huge, and only a large base can be established on the ground to meet the needs。

The second is that the energy consumption is large, the practical use of laser weapons requires a large battery pack to continue to provide energy, and an electromagnetic defense weapon system that can protect a small city needs a medium-sized nuclear reactor to maintain, and a set of electromagnetic defense systems that can protect a large city of five hundred people needs a large nuclear reactor to provide energy, once the nuclear reactor is destroyed, then the city will disappear on the earth, so no one wants to put a timed blasting device next to their city, of course, due to the rapid development of science and technology, the nuclear reactor will not easily occur even if it is attacked by a nuclear bomb, even a nuclear leak will not happen, but after all, ordinary people do not know.

Another problem is that laser weapons can only attack in a straight line and not in a curve, so laser weapons are powerless against some targets hidden behind strong fortifications.

As for the visual and thermal stealth system, although it does not require much energy support, the production of this composite material is very complicated, and the material is very rare on the earth, and this material can only hide static objects or people, once it becomes dynamic from static to dynamic, it will be discovered by the other party.

In addition, due to the application of various new technologies, war has become very expensive, when the war is carried out to the eighth year, human beings have been greatly improved by the rapid development of science and technology before the war, and the life expectancy of human beings has been greatly improved, coupled with the huge pressure of life, human beings have increased from more than 7 billion in the 21st century to only 1 billion people in the first year before the war, and most of them are non-developed countries, and the population has grown to 5.8 billion people after the war, the war has made the human race disappear 2.2 billion people, a large number of cities have been destroyed, a large number of people have died, many families have been separated, and elderly parents have lost their children, young children have lost their parents, and the streets of various cities are full of elderly people who have no one to support them and children who have lost their parents.

Many ancient and great buildings have also been destroyed by the war, the war has brought great pain to the entire human world, this is not the most important, the most important thing is that the people of various countries do not see the possibility of their country can completely win the war, so people are angry that the people of various countries have taken to the streets to demonstrate, besiege government offices, soldiers also refuse to go to the battlefield, military scientists of various countries have begun to refuse to develop various military technologies, the only thing that is angry about this matter may be the military industrial enterprises of various countries, but their life is not easyBecause the governments of various countries in order to shirk the responsibility of the original government to regard these military enterprises as the guest of honor but put all the responsibility on these military enterprises, so the people are angry and vent their anger on these military enterprises, they began to storm the office buildings of enterprises, and even began to besiege some senior management, so the most active arms dealers in the parliaments of various countries also began to die down, because those senior engineers and employees who operate robots have also resigned, and their lives are not guaranteed at all, as soon as their neighbors know that they work at a military-industrial complex, then in addition to name-calling, there may be constant threats.

Under the pressure of the people, the governments finally sat down at the negotiating table and began to think about the future of mankind, so at the Geneva Earth Peace Conference, the leaders of the countries unanimously agreed to establish an organization similar to the European Union, which will replace the United Nations, and the ties between countries will be closer, the name of this alliance is the Earth Democratic Federation, the purpose of the Federation is to eliminate war, poverty and incomprehension between countries and to pool the resources of various countries to find a new way out for mankind.

In the fifth year after the war, human energy and resources have been almost exhausted, so mankind decided to start a new space exploration program, this plan was unimaginable before the war, because relying on a single or a few countries can not be completed, but now due to the war, countries in order to rebuild their homes, in order to survive, human beings have united unprecedentedly, because before the war, all kinds of technologies are not very mature, but after the baptism of the catalyst of war, all kinds of technologies have matured, although there are still this and that problem, but it has been fully able to be applied to this space exploration programThus began the human space exploration program in earnest in the sixth year after the war.