A large number of materials and technologies from Europe have naturally spread to Chen Xin.

But he didn't care much about it.

On the one hand, it will take a long time for China to digest these technologies. On the other hand, the military is planning a counter offensive in order to eliminate alien creatures in the Dongting Lake area.

A huge problem for the counter offensive is how to go deep underground and deal with alien creatures who can climb to the ceiling in the tunnel.

For humans, the huge physical gap makes it difficult for humans to fight against alien creatures in a narrow place, especially after losing the support of quantitative advantage and heavy firepower, the combat power gap between humans and alien creatures can be said to be like an ordinary person trying to knock down a cow with his bare hands.

Moreover, after entering the underground tunnel, ammunition supply, logistics support and other aspects need to be considered.

In order to counter attack the plan, the military is gathering its elite troops, planning to arm them with heavy machine armor, and then cooperate with the Titan forces to clear the underground alien creatures, just as Chen Xin and them went deep into the alien nest last time.

But even so, the military wants to get more powerful weapons.

Besides, at least there should be heavy armored units that can provide cover and fire support for ordinary infantry, which can not only resist the attack of alien creatures, but also effectively output fire as a fire platform.

This is not a good goal to achieve.

Although Titans can be equipped with shields as heavy armored units, they can not be regarded as heavy firepower units due to the design problems of Titans themselves.

Although portable short barrel guns and heavy machine guns can play a good lethality, there is still a certain gap between them and the heavy firepower expected by the military.

After all, due to the Titan's own design, the amount of ammunition they carry is limited. Conventional battlefield operations are good, logistics can keep up, and there is no problem as long as ammunition is available.

The modular ammunition boxes designed by Chen Xin can ensure that they can change ammunition in a very short time even when there is the most intense exchange of fire on the battlefield, and will not affect the operation.

However, in the narrow, rugged and deep underground tunnel, it is very difficult to ensure the supply of ammunition.

Therefore, what the military needs is a combat unit that can be used in the underground tunnel environment and can stably and continuously give full play to its firepower advantage.

And this is just not a good requirement to meet.

According to the experience gained in the battlefield today, the intensity of fighting with alien creatures has even exceeded that in the battlefield of World War II. Heavy machine guns are often fired directly with one bullet chain, then change the second one within half a minute, and then continue to buckle until the barrel is red.

In today's environment where the temperature is tens of degrees below zero, it can be imagined how many bullets need to be thrown if the barrel of a heavy machine gun can be turned red.

If it were not for the fear of insufficient firepower in Yanguo, which has led to a large number of ammunition in China, I am afraid I would still worry about this huge consumption of ammunition.

Now it's good. The ammunition that has been overstocked for many years and is about to expire has been hit out, which has greatly reduced the storage pressure of logistics.

However, to plan a counter offensive, how to ensure ammunition consumption is a very serious problem.

If this problem is not solved, it is obvious that the military has no way to realize their plan to counter attack and clear up alien creatures.

To solve this problem, the military's first thought is naturally Chen Xin.

In the military's view, Chen Xin is about to become a Doraemon existence. If you have any needs, you can basically solve them by opening your mouth.

Especially after the land fleet came out, Chen Xin already felt that he was omnipotent within the military. At present, the military is arranging people to reassess some ideas and plans that could not be realized because of his big brain. It is expected to take out some of them that can be realized and show them to Chen Xin to see if they can be realized.

Of course, the military only has this idea about those plans with big brain holes, and has not really taken them out.

At present, the first thing to be solved is how to ensure ammunition supply and fire support in the underground environment.

Firepower support is not too difficult to solve. An excellent self-propelled artillery platform is enough to solve the problem. The only trouble may be the traveling chassis.

After all, Chen Xin's next tunnel dug by alien creatures is rugged and winding. The tracked chassis of tanks and self-propelled guns and the wheeled chassis of armored vehicles used by the military are obviously unable to adapt to the passage in this environment.

However, this point is easy to solve. When Chen Xin first developed the mining Titan for mining, he once made a multi legged chassis imitating the spider ecological structure, which was originally used in the mine. It is very suitable to be transformed and used as the chassis of the fire platform.

As for the firepower platform itself, it can be modified with the military's ready-made vehicle turret.

This kind of work can even be completed by ordinary weapon designers without labor. Chen Xin does it himself.

The problem of vehicle chassis is solved, and the problem of ammunition supply can also be solved. It's OK to change this chassis into a carrier platform.

In fact, when receiving the military's request, Chen Xin already had a lot of ideas. He even conceived many models of different sizes.

Small robots can be made into spiders, carrying one or two ammunition boxes. They are specially responsible for transporting ammunition for front-line combat forces. They can go out in groups or perform tasks alone.

The larger one can be the size of a cart. It is also a robot, and this spider robot can have different functions. It can not only carry ammunition, but also carry heavy machine guns as a fire support platform.

Larger ones can be made into the size of cars. This one needs someone to drive. Similar to the spider Titan conceived by Chen Xin before, it can not only carry a large number of weapons and ammunition, but also be directly used as a heavy firepower platform.

The design of three types of vehicles, large, medium and small, can be said to perfectly meet the needs of the military. Even medium and small robots can be used in other environments, and do not need to be limited to the underground environment.

This also makes the military want to list the two robots in the whole army when they see the design of the two robots.

After all, with the popularity of all kinds of black science and technology equipment pulled out by Chen Xin, the military's requirements for logistics supply have become different from before. Although individual soldiers can carry more and more weapons and ammunition by relying on exoskeleton and power armor, the amount of supply has also become larger and larger.

This has led the military to be very optimistic about this small and medium-sized transport robot that can send ammunition to the front line by itself.

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