Every planet must have them!

And not just one. Depending on the size of the planet, hundreds or even thousands might be built on larger ones, while smaller ones would still need dozens.

Adding these up, it amounts to tens of thousands of engineering projects. Calculating a standard interstellar gun battery fortress at a total mass of 50,000 tons, this adds up to billions of tons of mass.

In addition to this, there are unmanned spacecraft!

Unmanned spacecraft that are convenient, flexible, maneuverable, and can automatically form battle formations!

Unmanned spacecraft also need to rely on sheer numbers to win; their quantity must be as high as possible.

Tom divided the unmanned combat spacecraft into five levels based on different specifications.

The largest had a total mass of over 200 tons, while the smallest weighed only one or two tons.

He was already building over a million Mercury-class battleships, so shouldn't these unmanned combat spacecraft be at least ten times that?

So, he decided to build 10 million of the largest unmanned spacecraft, 16 million of the second level, and so on, with the smallest model reaching a staggering 100 million units!

Beyond unmanned spacecraft, there was another massive construction demand.

Ground air defense bases.

Ground air defense is crucial for planets without an atmosphere.

After all, most production tasks must be completed on the planet's surface, and all mineral extraction tasks are entirely on the planet's surface. If the logistical base is attacked and destroyed, then there's no point in fighting the war.

How could ground bases defend against the bombardment of countless tiny projectiles, like mountains and seas?

They would defend with air defense bases similarly spread across the land!

Relying on high-speed radar scanning and rapid response technology, if spacecraft could intercept electromagnetic cannon projectiles, ground bases could certainly do the same.

And because they were larger in scale, with more abundant energy and material supplies, their defensive capabilities would be even stronger!

Every base, every mine, railway line, space elevator, factory, and so on—every single location needed a ground-based air defense base!

Adding them up, it amounted to hundreds of thousands, even millions of units.

All in all, to complete all these construction tasks, the materials needed would likely be measured in trillions, or even tens of trillions, hundreds of trillions of tons.

Such an enormous demand for materials was something Tom had never dared to imagine before. But at this moment, it was no longer an issue.

Because the large-scale development of the solar system had been completed, and now under the control of Hestia AI, and with the maintenance and decision-making of countless clones, seven large planets, hundreds of dwarf planets, moons, and asteroids could supply resources to Tom.

Under such circumstances, what resources couldn't be extracted?

At this stage, as long as Tom was willing to invest time and effort, he could even gradually strip away Earth's entire atmosphere.

As technology and the maximum consciousness connection count continuously improved, Tom knew that his industrial capacity had truly reached the point where he could completely transform a planet.

Under these circumstances, construction on an unprecedented scale truly began.

Motherships even larger than the previous aerospace carriers, propelled by secondary pressurized thrusters, constantly shuttled between space elevators, with a single ship capable of transporting over ten million tons of materials.

Once they arrived at the port, robots and intelligent hoisting tools, also controlled by Hestia AI, would come to unload the standardized cargo containers, allowing them to flow like water onto the planet's surface, then board heavy-duty trains to enter the various factories.

In the newly constructed space mine production factories, assembly lines continuously produced space mines, each weighing only 1 kg.

Processes such as shell assembly, loading, and chip installation were carried out in perfect order.

One assembly line could produce 1 space mine per second on average, totaling 86,400 per day.

And there were 50 such production lines in one factory, yielding 4.3 million per day. Tom built a total of 50 such factories!

They could produce 210 million space mines in a single day!

A continuous stream of space mines flowed out and were packed into cargo containers.

These cargo containers traveled via space elevator into space, then were transported by specialized cargo ships to designated airspace, where they were dumped like garbage into the endless star sea.

Around every planet, and in the deep space far from planets, near and far from shipping lanes—wherever there was even the slightest potential tactical value—Tom generously deployed a vast number of space mines, then set them to orbit either the sun or planets and dwarf planets.

There is no air in interstellar space, so there's no need to worry about oxidation or rust; these space mines can be stored intact for a very long time.

In the clone production factories, large numbers of clones emerged every moment, boarding various vehicles to reach hibernation bases and orderly entering hibernation.

Although the hibernation bases were not yet fully constructed, the production of clones was also not yet complete.

Thus, the construction of hibernation bases and the control of clones entering hibernation progressed simultaneously.

In the warship assembly plants, components piled up like mountains and seas, and warships were assembled one after another. After refueling, they would fly off, either entering active service, hiding in the vast deep space, or temporarily storing themselves in spacecraft storage bases built underground on different planets.

The production of unmanned warships was even faster. Their technological content was lower, and performance requirements were not high.

Interstellar missiles, large interstellar gun batteries, and other unmanned combat equipment also rapidly appeared like mushrooms after rain, in the vicinity of every planet and in every airspace.

The construction of supercomputing ships and supercomputing bases was also rapidly advancing.

Not only in space and on all other planets, but even on Earth, Tom began large-scale supercomputing construction.

Although Earth had not undergone large-scale development, necessary protection was still required when war approached.

In the space around Earth, Tom also deployed a large amount of air defense power, setting up numerous space mine clusters and interstellar gun batteries. Correspondingly, Earth's surface naturally needed sufficient supercomputing bases.

On this untouched, unindustrialized planet, under the somewhat curious and reverent gaze of countless animals, in the ice fields of the North and South Poles, in the snows of high mountains, at the bottom of huge lakes, under ice layers, within mountain ranges, and so on, supercomputers began to operate one after another.

Aside from supercomputers and necessary auxiliary factories, such as power plants, Tom did not build any other industrial facilities on Earth.

Time slowly passed, and in the blink of an eye, several decades went by.

On this day, since the last time the Bluetoth Civilization's main fleet "activated" that dark nebula, Tom finally saw their traces clearly once again.

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