As a Christmas gift, the Federation received reinforcements from 20 million troops from the outer city-states.

These are 20 million mecha uniform soldiers who use the main attack method, and a large army fights to determine the victory or defeat on the battlefield.

On the same day, outside Shanghai and Guangzhou, more than 20,000 cents descended on the front line after taking the oath.

They trampled the blue faith under their feet, and reversed.

In the words of one of the oath-takers: "Don't talk to me about any more big things, I've seen too many terrible tragedies in the past few days." I now have only one cognition, who loves me, who I love. The outer city-states saved me, saved my relatives, and saved the people in deep distress at such a time, and I followed the outer city-states all the way to the dark, and I sold my life to them! ”

Judging from the macro data, most of the people who work on the front line are actually mecha suit soldiers.

Warframe units need their professionalism and their habit of obeying orders.

They took off their original mech suits and slipped into the commander's mech suits provided by the outland city-states.

More advanced, more powerful, and with a quantum network, it is easy to command your own deployment.

These men were led by the Republic Commander and joined the attacking forces fighting frontally.

The Republic Commander they replaced was joined by the Hercules' Warframe Legion.

After deploying troops in enemy-occupied territory, these commanders fought alongside almost one-third of the total number of shell commanders.

The Shell Commander is similar to the mech suits that were burned at the stake in Federation Square, with an empty interior and a command from a brain computer through a quantum network.

This kind of commander is unable to deal with complex problems, so he fights with a living commander to accomplish simple objectives such as guarding, blocking, fire cover, advancement, and so on.

These vacancies will eventually be filled, promoted from those who persist in fighting behind enemy lines.

Xu Changqing didn't brag either, he himself was also involved in specific ground operations, and he didn't participate in the first round of close confrontations with the alien fleet.

The first round of close encounters also took place at Christmas, when the alien assault fleet went from 5,000 to less than 1,000 by the fleets of the outland city-states at around 10 p.m.

But even so, the number is still more than the combined number of warships of the Earth-Moon Federation and the Republic of Mars.

Due to the nodal energy shield on the human side, the alien fleet no longer used the range strike of the high-energy ion stream, and they released the detector when the two sides were 10 million kilometers apart.

This is one of the reasons why the alien fleet is blind.

With the probe, the strike can be regarded as accurate, and before that, it can only be an area strike, and cannot carry out ultra-long-range precision strikes like the fleets of foreign city-states.

When the two sides approached six million kilometers, the alien fleet opened fire first.

This time it was a magnetically confined plasma that was emitted.

Fired by a weapon that can work together to create the solar wind. The structure of its biological organs is very similar to that of the bio-hot wire cannon used by the monsters that are wreaking havoc on the earth.

The scene of 10,000 cannons firing at one end is spectacular, but the effect is very average, and it still can't break the defense of the node energy shield composed of red stick-level light patrols.

The two sides approached four million kilometers and began to fire missiles, or space torpedoes, at each other.

Such a distance is a bit difficult for the equipment of the nuclear power engine, so the size of the missiles is very large, and the size of the missile on the alien side is more than twice that of the missile on the human side.

Moreover, after launching, it does not always accelerate wildly, but has a variable speed adjustment function.

They are all intelligent torpedoes, and those on the human side rely on chips, and those of alien creatures rely on biological intelligence, which is equivalent to kamikaze.

The two sides did not respond to torpedo attacks in different ways, giving the impression that the alien fleet side was more primitive.

Their response is similar to the jamming bombs used by human warplanes in the past to dodge missiles, plus the barrage protection of the Phalanx.

The missile on the human side does not eat jamming bombs, and the intelligent system it carries is already able to identify jamming bombs and targets. That is, barrage protection is relatively effective.

However, the barrage launch of the alien warship is a row of guns, similar to the launch device of the honeycomb launch box, relying on the barrel to complete the projection of a large amount of ammunition per unit time, and the firing frequency is not high.

What's more, the huge body of the alien warship, which is measured in kilometers, cannot achieve all-round protection, not even semi-protection, mainly concentrated in the front third of the hull, and the back is the protection of key areas, and the rest is a large area of defense.

The ship is huge, this Xu Changqing can understand. Especially for expeditionary fleets, mass represents energy, whether it is movement or combat, energy consumption is equal to mass consumption.

However, as a warship, it is huge but cannot be fully protected, which is not qualified in Xu Changqing's opinion.

Perhaps the alien creatures are taking the path of winning by quantity, huddling together for warmth, and covering each other.

But in any case, there are so many defensive gaps, so you must have the consciousness of being beaten.

The missile warhead on the human side is either metallic hydrogen or nuclear warhead, and the interior of the alien warship is not a vacuum structure, which means that the shock wave conduction is still relatively powerful.

Up to three of them, and the giant creature ship will explode. The hull of the ship is often shattered by successive explosions, leaving only the keel wreckage.

On the human side, the Red Stick-class light cruisers completed the interception of the biological torpedo.

A brain computer locks the position and fires the missile.

These small missiles are first delivered by railgun projectiles, launched out, and then ignited by the engine to help complete the rest of the journey.

This hybrid firing method allows the missile to be very small, about the size of a baseball bat.

After three consecutive waves of brilliant fireworks, more than 95% of the missiles on the side of the alien fleet were cleared, and the remaining ones that had holes were shot down by each ship.

In the final count, except for two ships that were slightly incompetent and were hit and wounded, there was no damage.

In the Alien fleet, about one hundred and ten warships withdrew from the battle, and dozens more were wounded.

The human fleet secretly breathed a sigh of relief, and the combat effectiveness of the alien fleet was once again beyond people's imagination, of course, not high, but low.

You must know that when you first saw the scene of the group jumping, many people were frightened and their brains went blank.

With such technology and such a quantity, this is a!

Even if the ships of the outer city-states later played an exaggerated destruction ratio. Many people are also pessimistic, if it weren't for the fact that alien creatures don't take prisoners, and humans basically have nowhere else to retreat, these people probably don't have the confidence to start a war at all.

But now, the technology of alien creatures is really not an ordinary imbalance.

It can even be said that the tactical level and the diversity of means of war are also very nonsense.

This may be due to the fact that humans are so aggressive that they can innovate in combat technology faster than other intelligent species. And even if it is a race that plays aggression between stars, such as alien creatures, it will only be able to push with three axes and sea of people tactics?

In any case, since this is such a favorable situation, the human side naturally does not mind replicating success.

The fleet no longer advances, but instead retreats and releases missiles.

Alien creatures fire biological torpedoes while pursuing.

The battle became a chase.

Naturally, the human fleet does not run in a straight line, but sails clockwise downwards, hoping that the alien fleet will turn.

The alien fleet chose to continue its advance in the direction of Earth.

The human side activated another move, using tactics, and won the second round.

The other of the two battleship groups from the Republic of Mars is also composed of three other fleets, the first battleship group is a high-speed battleship, and the second battleship group is a stealth battleship.

They managed to kick a flying foot from the diagonal back of the alien fleet.

They were able to be in that position, which was the result of calculating the other party's course and then maneuvering stealthily.

The ninety-four ships of the three fleets, in addition to firing a large number of space torpedoes, also used the laser guns in the bow to output tons of damage. Then cease fire and quickly evacuate before some of the creature warships can turn back to respond, leaving the aliens with nowhere to start.

When it became clear that the human fleet was going to bully people with torpedoes. The alien fleet was in a hurry, and they unleashed the biological warplanes.

A large number of biological warplanes.

In space warfare, fighter planes have been reduced to melee weapons.

With the small size of a fighter plane, even the engine of a fusion reactor is only enough fuel to toss around in the airspace with a combat radius of 500,000 kilometers.

500,000 kilometers, the Earth's equator 12.5 circles, such a combat radius in the Earth can be called a real global eagle. But in space, it's a piece of.

Xu Changqing also thought about space fighters.

In the end, I thought about it for a long time, but I didn't put it into action.

The main problem lies in the energy consumption of constantly adjusting the speed and direction.

This little thing, jet-like posture dominating the nozzle is almost impossible, there is no room for a deflation tank. It can only use nuclear energy jet type, which will make the internal structure of the fighter complex and the safety factor is greatly reduced, considering its functional cost performance, Xu Changqing finally gave up this combat weapon.

If you really need small equipment, then in space operations, the smallest should also be a boat, according to the design specifications of ships in foreign city-states, ships within 150 meters are considered boats. This is the algorithm of the human beings of the Fourth Age of the Extreme Realm, the authentic earth, whether it is the Federation or the Republic, is talking about displacement, of course, not displacement, but emptiness.

Just when the front line is in full swing, in the rear, in the Tianwei Qingyun base and even in the asteroid belt, the production structure is constantly being adjusted accordingly.

In fact, the Qingyun base of Tiantuan has long since ceased to be the same as it was three years ago.

Originally, it was just a planting base in the Belmonte Valley. But later, as Bobos continued to send work ships back and join in the expansion of the base, by now, 90% of the surface of this planet with a diameter of about 1,578 kilometers has been exploited. This means that with the exception of areas such as craters, all flat areas become usable land.

At present, the construction of the Star Ring has been completed, which integrates the core of the star port, the industrial zone, and the defense system, and is efficiently absorbing external resources from Uranus.

The Hercules transport, the Red Stick-class light cruiser, was produced in the dockyard on this ring. Xu Changqing once tried to use a smaller warship, but after exchanging fire with the alien warship, this idea was dispelled. He realized that cosmic warfare would probably not be brutal to that extent.

The use of warships is already very similar to the use of warplanes, dogs fighting hand-to-hand. This style of play is called a man's romance on earth, but in space, it is synonymous with sadness, and it is like a bullet fighting a bayonet.

The alien creatures probably like the feeling of fighting bayonets,

On the human side, whether to fight or not to fight, after all, the structure of human beings is not specially designed for fighting, and it grows slowly, even if it is used as a resource consumption, it is better to die in the production workshop, not on the battlefield.

Alien creatures obviously don't agree with this concept, so they have a lot of biological fighters, and they are released to join the battle to intercept missiles, which is really not a bumper car, in short, they have to do everything to intercept missiles.

Of course, this is a stupid method, because missiles not only have ultra-high speed, but also are very agile, and the missiles of biological fighters cannot catch up with these high-speed weapons, and can only intercept head-on, and the efficiency is not high.

The human side saw that the alien creatures even used this kind of bad trick, and they knew more and more that they had used the right move, until they used all the missiles, and then quickly left, leaving the last part of the alien ships, as well as the mending knife, to the stealth warship group of the Republic of Mars.

At the same time, the main body of the alien warship is already less than 10 million kilometers away from the earth.

They began to re-advance about four hours after the ships of the Outlander city-states stopped firing.

They have discovered the most powerful ultra-long-range strike on the human side, and each attack takes 12 hours, almost more than 30 hours of repair.

So I still know how to grasp the timing.

And in the airspace between Mercury and the Sun, a third fleet of 35,000 alien creatures has also jumped in.

The second jump fleet, with 25,000 ships joining the construction of the Dyson sphere, and another 10,000 ships are already on their way to Earth.

(End of chapter)