Although Carlson was explaining seriously, Yang Yi didn't listen to a word, he kept staring at the three-dimensional structure map of the planet in front of him. After Yuyang reminded him, Yang Yi came back to his senses suddenly. Carlsen is done and waiting for him to make a decision.

"What Carlson means is that the planet is just too big." Yuyang had already found that Yang Yi hadn't listened carefully, and hurriedly said, "Although building the fortress is not a problem, the initial project will not take much time. After the foundation is built, the rest of the construction work can be left to the clan that arrives later. But to hold the fortress and fend off a strong enemy if attacked, you need to have enough troops here. According to conservative estimates, at least a hundred corps are needed, preferably five hundred. It is clear that we will not be able to deploy so many troops here in the short term. What's more, this is just the first fortress we plan to build. ”

"Build the fortress underground."

Yang Yi suddenly said, not only did Carlsen not understand, but even Yuyang was very puzzled.

"Big, big benefits." Yang Yi smiled faintly and said, "There is only such a large celestial body in this vicinity, and there is no planet similar to it within a radius of dozens of light years. We are not just building a fortress here, but a home that can support hundreds of millions of people. ”

Carlson was stunned again, looking shocked.

"If you can, you'll have to hollow out the interior of the planet." Yang Yi stepped forward and made a few comparisons on the three-dimensional structure diagram. "In the center of the planet, a primordial energy converter is placed, and a photothermal system powered by primordial energy provides light and heat to the entire interior space. Keep the crust of the planet, but only the crust, about 10 km, up to 20 km, and build a fully enclosed biosphere on this basis. ”

"This ......"

Yuyang pressed his hand. stopped Carlsen's words and said to Yang Yi: "There should be no problem technically, but it will take a lot of time." ”

Carlson immediately nodded, indicating that he meant the same thing.

"How long?" Yang Yi looked at Carlson.

"With the engineering technology we have now, even if the equipment, materials and manpower are not a problem, it will take at least ten years. It was not possible to bring in enough equipment, supplies and engineering personnel in a short period of time. Add to that the other things, and it would be nice to be able to do it in fifty years. ”

"Obviously, we don't have that much time." Yuyang added.

Yang Yi nodded slightly and said, "In other words, we have to think of other ways." ”

"We ...... technical problems"

"Carlson, you're the engineering commander, do you know of any way to complete this project in a short period of time, say a few months?"

Carlson was stunned for a moment. Then he shook his head again.

"Think about it."

"General, we really don't have such a way, even if we change to other engineering commanders of the Lei Ling Clan, it is impossible to accomplish things beyond our own capabilities. Besides, this is not a problem that technology can solve, at least as far as I know, no civilization in the entire Galactic Alliance has the technology to hollow out a planet in a matter of months. To say that there is such a technology. That's only the Silicon Alliance. ”

"Silicon Alliance?"

Carlson nodded and said, "Strictly speaking. Not a technique, a dragon is enough. ”

Yang Yi was slightly stunned, and then laughed.

"General, it's too risky. Earth Dragons are wild silicons, and low-level silicons, let alone us. Even the top warriors of the Silicon Charm Alliance are difficult to control. If the silicon beast is allowed to multiply on the planet, it will also destroy the entire planet while hollowing out the planet. ”

Yang Yi nodded first, and then waved his hand.

"General......

Yuyang sighed secretly, gave Carlsen a look, and let him leave.

"The seeds we got on Mars are still there, right?"

Yuyang nodded. "It's all there, it's just that Carlson is right, it's too risky," he said. Although it is a modified earth dragon, we don't know how to control it. If it gets out of control, it will destroy the planet, and there are no other large celestial bodies nearby. ”

"That's true, so we don't have a choice."

"But ......"

"Any news from Jackson? It's been a while since he'd set out, and as expected, he should have arrived in the North Alpha system. Yang Yi glanced at Yuyang before saying, "Contact him and ask him to find Kuria and ask for a way to control the Earth Dragon." ”

"This ......"

Also, tell Carlson to prepare this way. Leave a group of personnel behind and release the seeds after getting in touch with Jackson. Yang Yi paused slightly, and then said, "We have more than one planet to transform, just to find out whether Kuria is trustworthy." If it does, there will be much less trouble going forward. Of course, if Kuria has betrayed us, it will only be a planet to lose. ”

Yuyang sighed secretly and nodded in agreement.

"Also, remember to contact Yu Linglong and get her ready. After the basic renovation is completed, the engineering equipment and materials will be sent over as soon as possible. ”

Yuyang nodded and didn't say anything more.

Yang Yi didn't say much, waved his hand, and let Yuyang leave.

Now, Yang Yi not only has no other choice, but also does not have much time.

While Carlson was exploring the planet, Yang Yi received a message from Yu Linglong from his home galaxy that the vanguard of the Lei Ling Clan had arrived.

Although an alliance treaty has been signed with the Weavers, according to the convention of the Galactic Alliance, the Human Federation still provides a residence for the Thunderling Legion.

Of course, that's not all.

With the arrival of the Lei Ling Legion, the internal contradictions of the Human Federation also surfaced. The most active performance is the second theater of operations, the Lei Ling clan is not only stationed in the jurisdiction of the second theater, but its commander has also openly expressed his support for the second theater of operations, and is also ready to cooperate with the second theater of operations.

In addition, the vanguard of the Hidden Spirit Clan is also about to arrive in the North Fourth District.

Although there is Aurora, the federal authorities have not taken a stand for the time being, and there are also great differences in the military department, but everyone can think that when the vanguard of the Hidden Spirit Clan arrives and the legions of other civilizations arrive one after another, the split situation of the Human Federation will become a fait accompli.

For the already weak Human Federation, the split will only get weaker.

At that time, even a little friction will become a reason for top civilizations such as the Lei Ling Clan and the Hidden Spirit Clan to dismember the Human Federation.

When this day comes, let alone the Jade Family, even if the Weaver Star Clan comes forward to preside over the overall situation, it may not be able to turn the tide.

What's more, when the Star Soul Empress commanded the Weaver Star Clan's army on an expedition to the Northern Alpha Galaxy, Alora, who remained in the Human Federation, was unable to fight against the Wanluo War Emperor and the Heavenly Saint Emperor. In order to protect the interests of the Weaver Clan, Alora may not be in the fire for the Human Federation at this time. According to Yu Linglong's speculation, even if the Weaver Clan would not become the culprit in the dismemberment of the Human Federation, it would also be inserted at a critical moment.

Obviously, when the Human Federation was dismembered by many top civilizations, the first unlucky one was Yang Yi.

Even if Yang Yi had the support of the Star Soul Empress, he would only be able to barely compete with those in power who had the support of other top civilizations. Because the foundation is not strong enough, it is difficult for Yang Yi to grasp the initiative in the next melee. Even if there is the help of the Yu family, it will be a corner of peace at most.

Herein lies the problem.

The influence of the Jade family is limited to colonial galaxies, and it is also those remote colonial galaxies. The home system has always been in the hands of federal authorities and the military department, and the main colonial system has long been divided between nine war zones. Relying on dozens of colonial galaxies with poor resources and residents chatting about, Yang Yi has no advantage at all. If Yang Yi becomes the target of public criticism at this time, I am afraid that he will not even be able to protect himself.

It is precisely because of this that Yang Yi decided to transform this planet.

In the same way, after Yang Yi made this decision, Yuyang did not object, because he also knew that there was not much time left for them.

In addition, the most valuable resource in the Greenwich meteorite belt is large celestial bodies.

Although there are a large number of celestial bodies in the Greenwich Meteorite Belt, they have enough mass and size that they can be inhabited by humans after modification. As far as Yang Yi knows, planets with a diameter of more than 1,000 kilometers and sufficient mass have an average separation distance of more than 50 light-years in the Greenwich meteorite belt. What is this concept? In the Southern Alpha System, the average distance between galaxies is less than ten light-years, while an average star system has several, if not dozens, of planets. Obviously, finding a large object in the Greenwich Meteorite Belt is unattainable, so any large object here is very valuable.

In fact, it is precisely because of the lack of large celestial bodies that the Greenwich meteorite belt has become a moat between the northern and southern alpha galaxies. You must know that neither the Silicon Alliance nor the Galactic Alliance have mastered the space technology that can directly cross 100,000 light years. When traveling long distances, it is necessary to have a transit station and a space jump node, and in the vast universe, only the space distortion caused by a celestial body with a large enough mass can be detected, thus becoming a space jump node. Only a large enough celestial body can have enough space to accommodate the spacecraft and become a transit point for navigation. Therefore, in the Greenwich Meteorite Belt, large celestial objects are priceless.

It can be said that without the Greenwich meteorite belt, the war between the two alliances would not have lasted for thousands of years, I am afraid it would have ended more than 4,000 years ago. From this point of view, not only the Federation of Humans, but the entire Galactic Federation relied on the Greenwich Meteorite Belt to survive. Don't forget, even now, the overall strength of the Galactic Alliance, especially the war strength, is not comparable to the Silicon Charm Alliance.

If humanity can survive in the Greenwich Meteorite Belt and gain a foothold, the future will certainly be very different.

While Yang Yi was thinking about this, Yuyang hurried over. Noticing Yuyang's panicked look, Yang Yi knew that trouble was coming. (To be continued.) )