Train gun may indeed be a very powerful battlefield support weapon during World War II, but after nearly a century of vigorous development of science and technology after World War II, the science and technology mastered by mankind has already undergone earth shaking changes.

In front of the missiles, rockets, bombers and even more sci-fi space-based weapons equipped by the modern military, the train gun is just like a large target.

Taking the military equipment in the hands of the modern army as an example, it only needs two armed helicopters to dismantle a train gun which was a sharp weapon in World War II.

So although the Land Cruisers of the suvians really look very powerful and terrible, they are actually obsolete in history.

In fact, after this thing was really made, the senior management of suvia realized that it was not practical, so they soon gave up the idea of mass production.

Otherwise, with the craziness of the Soviet Union and the Federation during the cold war, after the successful development of this killer carrying two 305 thick tubes, there was no reason for the suvians to equip it on a small scale.

As for the fact that the suvians can't build so many tanks, just imagine that their production plans were all based on ten thousand tanks, from which they could spare a little to build a hundred and eighty such land cruisers. In terms of the industrial strength of suvians, there is no problem at all.

However, the suvians did not choose to mass produce the Land Cruisers. They even built only two experimental aircraft and one mass production model, and then sealed them up in the secret military base in Siberia and did not use them again.

It takes a lot of resources and time to produce the final product, but it is a waste of time to seal it directly.

However, in the Cold War era, it is not inconceivable that a technology has invested a lot of resources in research, but found that the results have become out of date, which is very common in arms research.

Especially after the Second World War, the rapid development of military science and technology led to the formation of many military equipment.

However, some can make do with it, and some can only discard and seal the scheme.

Moreover, it is not that the suvians did not consider using the three Land Cruisers. When the relationship between the two countries was the worst, and even the border conflict broke out, the suvians considered using the three monsters that had just been sealed up at that time to participate in the border conflict.

However, because of the long distance, the three Land Cruisers can not be transported by train, and can only go to the conflict area by their own power, which takes too long on the road.

At that time, it was just a border conflict. Although the two sides used force, they still kept restraint and did not break out a full-scale conflict. Although the suvians did consider using this device, they finally gave up the idea.

This matter has become a dusty file, put half a century no one knows.

It was not until this time that lucians took out all their sealed family belongings in order to get the aid of Yanguo that they found the record about this matter from a suvia filing cabinet full of dust.

Also let Yan know, when the border conflict, the suvians actually intend to use this kind of big killer.

Fortunately, it's all in the past. Suvia has been disintegrated for more than 30 years. It doesn't mean anything now. It just makes Yanguo interested in the three Land Cruisers.

As for why we need to get these three Land Cruisers back, it's not as simple as transforming them into all terrain vehicles.

Although the top management does plan to transform the three Land Cruisers into all terrain vehicles after they are transported back, there is a deeper purpose in addition.

The three Land Cruisers used nuclear reactors as power sources. With the nuclear technology of suvia at that time, it was really possible. After all, they also built mobile nuclear power plants at that time, but they were abandoned because of the city cutting incident.

However, according to the top secret information of unsealing, Chen Xin learned that at that time, the suvians only used the nuclear reactor on the second test machine and the mass production model. As for the power source of the first prototype machine, the suvians did not use the nuclear reactor.

Instead, they used an energy crystal that the suvians had accidentally acquired, which was the real purpose of Chen Xin's trip to Siberia.

If three Land Cruisers can be brought back, they can be brought back. If they can't, they can do a good job in surveying and mapping. If they can get the drawings, they can build new ones themselves. However, the energy crystal used on the prototype is something that the senior management is really interested in and wants to obtain.

It is precisely because of this that the high level sent such a team to Siberia in order to bring back this energy crystal comparable to a nuclear reactor.

After all, according to another top secret information given by Lucia, the volume of this energy crystal is only the size of a fist, but it can stably output the energy of a small nuclear reactor of that era.

If it wasn't for the fact that the scientists in suvia used every means to copy this thing, or even to understand its principle and material structure, they wouldn't have wasted it on Building Land Cruisers.This also makes Chen Xin very interested in this thing, because according to the research data of the suvians, although this crystal is continuously releasing energy, its mass has not been reduced. Even if the suvians used the most sophisticated instruments for measurement and long-term observation, they did not find any change in the quality of this thing.

This is very contrary to common sense, because in the process of transforming matter into energy, the greater the energy released, the more the mass of matter will be reduced. In theory, the mass of matter will also be reduced if energy is continuously released.

However, this crystal has been studied in the hands of the suvians for quite a long time and has been continuously releasing energy without any mass reduction, which obviously does not conform to the laws of physics.

In this case, there are two possibilities: one is that the crystal absorbs new substances to supplement itself in the process of releasing energy, forming a cycle; the other is that it is actually a very high-density energy crystal, which has been releasing energy in the way of "low power". Although it releases energy, its mass is reduced too little, according to the view of the suvians at that time It can't be found by means of measurement.

As for what the situation is, Chen Xin can't be sure now. Only after he really starts to use it, can he judge what it is.

And because of the appearance of this thing, Chen Xin finally became interested in this journey.

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