Fifteen years passed in a flash.

In the past fifteen years, Liu Gan built more than two million warships, twice as many as the expected target of one million.

If the Yiguo Civilization will come over again to cause trouble, in the remaining five years, Liu Gan will likely be able to build nearly one million warships again due to the improvement of manufacturing efficiency.

Liu Gan has built a total of eight king-class warships of the same level of the Anna. It is estimated that in the remaining five years, at least three more ships can be built. The spirit-class warships have built more than 200, more than 5,000 master-class warships, 130,000 division-class warships, and nearly 2 million general-class warships.

Through the reverse analysis of the technology on the golden warship, Liu Gan's overall combat capability has been further enhanced. Compared with the fleet that the Yiguo Civilization last came, the strength of both sides may have reached a level of 2 to 1, that is, Liu Gan's two warships of the same level, with combat power equivalent to a Yiguo Civilization's warship of the same level.

With the current fleet size, if the Yiguo civilization still sent the same number of fleets before to conquer, Liu Gan would let them die without a place to die.

The number of robots has reached as much as 50 billion, and various divisions of labor have been carried out, including those responsible for production, those responsible for command of the fleet, those responsible for logistics support, and some have been equipped to scientists in the base to assist in their scientific research.

The robots assigned to the warships greatly share the computing power of the main system. If a war occurs, the main system only needs to issue a general instruction to them, and the remaining work can be handed over to them to complete. These robot soldiers will not be tired or fearless, and have a high artificial intelligence, which will be more efficient than warships controlled by humans or alien creatures.

The biotechnology and life technology at the Mars base have also made great progress, especially the success of brain transplantation technology, which has made the lives of these scientists almost infinite. If the body is too old, it will be transplanted to a young cloned spare body, and it can continue its life.

This method is a bit cruel for those cloned bodies, but for the development of the entire civilization, they can only sacrifice them. All this made Liu Gan start the movie "Escape from the Cloned Island". It seems that the screenwriter of the movie is still very thoughtful and predicts what will happen in the next few hundred years. Now it is indeed happening in Liu Gan's Martian civilization.

In the past fifteen years, the most important thing for Liu Gan was that he completely tore the energy crawler and swallowed it, leaving only the last small ball. After devouring this crawler, Liu Gan's mysterious energy was promoted to the peak of the third level, and he could reach the fourth level at any time.

Unfortunately, there are still a few bites left... Of course, it may be much worse, but before finding the next one, he could only measure the crawler, he didn't know how much he needed to swallow to get him to advance again.

This can only measure when the crawler is left in the end, Liu Gan lets it go. This thing has a very strong sense of energy and will look for energy bacteria and some very small energy groups in the universe. The reason why Liu Gan lets it go is of course hope that it can find it after eating fat and then hand over the fat meat on its body to Liu Gan.

As for whether it will do this and whether it will come back, Liu Gan doesn’t send too much hope, but he just thinks it’s just a memory.

After completely devouring this to only measure the crawlers, the shuttle-shaped detection ship where Liu Gan is now can jump at a distance of 300 light years instantly under the cover of the mysterious energy of the third level, which greatly increases the range of movement that Liu Gan can move.

Liu Gan is a person who cannot stay idle. Now there is still five years before the larger fleet of the Yiguo civilization can conquer, so Liu Gan wants to take the Milky Way around to see if he can find another reptile within the range of 300 light years, or find traces of another civilization.

For example, in the Yiguo Civilization, Liu Gan has always been a person who will avenge his grudges. The Yiguo Civilization made him very unhappy, especially the last time the empty city plan, which tricked them away, but he still kept his anger in his stomach and had nowhere to go.

Now Liu Gan doesn't know where they came from. If he could find the place of their civilization, take the initiative to attack and rob their civilization's technology, it would be much better than keep defending and even figuring out the movements of their fleet, than quietly waiting for their fleet to come again.

According to Liu Gan's estimate, the curvature engine of the Yiguo civilization can reach the solar system in twenty years. If their curvature engine can reach five times the speed of light, they will be in somewhere a hundred light years away. If their curvature engine can reach ten times the speed of light, they will be in somewhere a hundred light years away.

With the technological level of the Yiguo civilization, the existing curvature engine is unlikely to exceed the speed of light ten times the speed of light, so it is the most likely that their civilization is between one hundred light years and two hundred light years, and it cannot exceed three hundred light years at most. However, the universe with the solar system as the center and three hundred light years as the radius is too large, and there are many star systems. It is not easy to correctly lock in the Yiguo civilization.

You can only start with the star map and see which star is more suitable for the development of civilization within a range of 300 light years. Then you will explore it. Maybe when a blind cat caught a dead mouse and hit the vicinity of the Yiguo civilization, Liu Gan would have the initiative.

Of course, before developing the curvature engine, it was impossible for Liu Gan to fight a comprehensive civilized battle. He could not bring all his fleet over, and it would be fine to engage in sneak attacks and plunders. Now, the shuttle-shaped detection ship of his original body, with the blessing of his third-level mysterious energy, is no less powerful than a fully armed spirit-class warship.

His mobility, detection ability, and camouflage ability are incomparable to ordinary spirit-class warships. It can be said that although the current spindle-shaped detection ship cannot destroy the wild fruit civilization, after finding the wild fruit civilization, it is definitely no problem to launch some sneak attacks, plunder, and steal some of their scientists and technology.

If Liu Gan wants to escape, the Yiguo civilization will not be able to trap him, unless they have known his whereabouts long ago and set up a curvature trap in advance to trap him.

After arranging various work in the solar system and more than ten nearby galaxies, Liu Gan began his first long-range jump. This time he chose a star system called Yaba.

The Yaba star system is 210 light-years away from the solar system. A single star has a mass of 1.5 times that of the sun. It has initially detected that more than a dozen planets orbit the stars.

In the new week, Lao Mo's new book "Future Amusement Park" is hitting the new book list of signed authors. He begged brothers and sisters to transfer the recommended votes for "Trilling World" to the new book "Future Amusement Park". Lao Mo is extremely grateful! Kowtow!

…(To be continued.)

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Chapter completed!