Great Country Academician

The flight time from Beijing to St. Petersburg is about seven and a half hours.

Compared with those flights that lasted more than twenty hours, the seven-and-a-half-hour flight was quite boring.

It’s not easy to sleep and rest on the plane without the jet lag. Most of the time I can only sit there boringly.

With nothing to do, Xu Chuan took out his notebook from his backpack, compared the photos he had taken and recorded them, sorted them on his computer, and studied the key to solving this problem.

Magnetic confinement plasma processing technology is a completely feasible path in theory. Today, after the realization of controllable nuclear fusion technology, there are not many core difficulties to be solved.

The damage and property changes caused by high-energy heavy particles to materials during cutting is one of the most important core problems.

If this problem can be solved, then this technology has great potential to be implemented.

It may not be applicable in a short period of time, but it points the way for future ultra-high-precision processing technology.

In fact, for the development of science and technology, whether it is the maturity of theory or technology, it can more or less drive the development of science and technology in other fields to a certain extent.

Just like the birth of the first steam engine, it promoted the development of not only the transportation fields such as trains, cars, and ships that people are accustomed to.

There are also textiles, food, medicines, electricity, mining, chemicals, and many other seemingly unrelated fields that have undergone major changes.

Controlled nuclear fusion technology also brings changes not only in the energy field. With the maturity of technologies such as heating and control of ultra-high temperature plasma, many related industries will also have the opportunity to change along with it.

On the flight to St. Petersburg, Russia, Xu Chuan studied magnetically confined plasma processing technology.

At the same time, in the far western frontier territory, close to the border between Kazakhstan and Tsarist Russia, military vehicles were traveling through the desert, preparing intensively for the upcoming exercise.

In name, this is an exercise game, but the military equipment, number of people, weapons, and scale used far exceed the scale of anti-terrorism.

After all, what kind of exercise game have you seen that requires the use of 51 strategic intercontinental missiles, H20 strategic stealth bombers, J20 fighters, hundreds of tanks, and countless other weapons and equipment?

An exercise of this scale, let alone anti-terrorism, is probably enough to destroy a country, leaving aside the five permanent members and other top countries.

Although they submitted formal notifications to other surrounding countries early, saying that this was just an ordinary internal anti-terrorism exercise, its huge scale and rare inland exercises still attracted the attention of many other countries. force.

Not only the United States on the other side of the Atlantic, but also many countries are also watching this action.

For them, this is a good opportunity to understand the strength of that big country.

For China, this is also an opportunity to flex its muscles.

Exercise operations are also part of strategic deterrence.

While the exercises in the border area were going on, it was a long night in North America on the other side of the Atlantic Ocean.

The Pentagon is brightly lit in the early morning, and the staff coming and going are like clockwork mechanical devices, rotating at high speed but nervously.

The cause of all this is none other than the "exercise" taking place tens of thousands of kilometers away at this moment.

In a conference room in the core area of ​​the building, satellite images are being continuously projected on a screen that takes up the entire wall.

In order to understand the opponent's strength, they deployed more than double-digit military satellites to be synchronized in low-Earth orbit at the exercise site in order to capture the clearest and most detailed images.

On the screen, the drill team targeting the imaginary enemy was advancing into the depths of the desert in an orderly manner. Although the fire streaking across the sky was only a glimpse on the surveillance screen, the mess in the hit area in the distance and the mushroom cloud rising into the sky were clearly visible.

Looking at the video on the surveillance screen and the rising mushroom cloud on the surveillance screen, the sound of communication in the core conference room continued.

The director of the CIA opened his mouth but stopped talking.

Is this an exercise game? All intercontinental missiles are used?

What needs bombing with ICBMs?

After staring at the surveillance screen for a while, a military expert from the Pentagon frowned in confusion. After thinking for a while, he suddenly woke up and shouted quickly:

"The picture on screen T4, call up the optical satellite system and replay it once!"

After hearing the sound, the staff responsible for the playback confirmed that the instructions were correct and then manually played back the images on the screen.

There was nothing special about the surveillance picture. Everything was normal. Just when everyone was wondering what this expert in the military field was doing, the optical satellite system showed something abnormal.

A fighter jet quickly passed by the surveillance screen.

Seeing this scene, everyone in the conference room was stunned for a moment.

What the hell?

Optical satellites have surveillance fighter planes passing by, but their most advanced synthetic aperture radar imaging satellites didn't see anything?

"This is...a new generation of stealth fighter?"

Looking at the fighter plane flying across the sky quickly on the surveillance screen, the Pentagon's Defense Secretary opened his mouth and said with a tone of disbelief.

What puzzled him was that judging from the satellite surveillance footage, the figure passing through the optical surveillance was very familiar to him. It looked almost identical to that country's J20.

But, how could the J20 be able to monitor it to the extent that even their most advanced synthetic aperture radar satellites couldn't monitor it?

Not to mention the J20, even their most advanced B-21 cannot escape the surveillance of synthetic aperture radar satellites.

After all, no matter how advanced the angle of the fuselage or the stealth coating is, radar wave monitoring can always feed back something. Even if the feedback band is small, it can always be reflected in the monitoring.

In particular, their SAR3-B imaging radar system adopts the most advanced multi-stage microwave radar detection technology. Even their own B21 can leave some traces on this system for early warning judgment.

But as it is now, it is directly ignored by the entire SAR3-B imaging radar system. In terms of stealth, this can be said to be the pinnacle of excellence.

And more importantly, the current picture is a satellite radar surveillance. The area it illuminates is the back of the entire fighter plane, and the coverage area is much larger than the front.

For a stealth fighter, its stealth effect is different in different parts, different detection angles and signals.

Under normal circumstances, the front of a fighter jet has the best stealth effect. Just like their B21, its front radar reflection cross section is only the size of a flying bird, making it extremely easy to be ignored by radar.

But the sides, back, bottom, tail and other areas cannot achieve this level.

When satellites can confirm that there are fighter planes flying over this area, even their B21 cannot escape surveillance.

However, now, the J20 of the opposite country is like a ghost, invisible from the high altitude of the satellite.

If it weren't for a high-precision optical imaging monitoring system, they might not even be able to see the plane now.

How is this done?