"At present, the flight altitude of the aerospace-1 test aircraft is 40000 meters, and the flight speed is Mach 9.5. It has reached the scheduled flight altitude. Please indicate whether to start the shield device according to the original plan for Shield operation test?" the pilot responsible for operating the aerospace aircraft on the ground asked loudly for instructions when he saw that the aircraft had reached the flight altitude scheduled for the test.

According to the scheduled test plan, the test flight of the aerospace aircraft is to test the shield system.

In fact, the shield system has been turned on since the space plane took off, and a series of tests have been carried out during the climb.

Now we are going to test whether the shield system can start normally and smoothly in the hypersonic flight environment.

Although in theory, the shield system will not have any problems, even the fighter with mature technology will have various faults such as engine shutdown, aircraft stall and power failure in the sky. In case the shield equipment is affected by the fault, whether it can be started and restarted smoothly has become an important matter related to the life and death of the aircraft.

Moreover, even if there is no fault, it is still a very important thing whether the shield generator can be restarted manually in the high-altitude and high-speed environment.

Therefore, the test of shield equipment switching on and off in high-altitude and high-speed environment is added to the test plan.

At this time, the pilot asked for instructions, and the project leader in charge of command approved it according to the test plan. The pilot who received the instructions immediately operated according to the operation process.

Through the camera on the aerospace plane, Chen Xin and others can clearly see through the display screen of the tower. With the pilot's operation, a light blue barrier is quickly formed around the aircraft fuselage, but the light soon fades down, as if it was just an illusion.

However, both the sudden increase in energy consumption of the aerospace aircraft and the display of various instruments on the aerospace aircraft prove that the shield system has been successfully restarted and in good condition.

The crowd couldn't help cheering. The fact that the aerospace plane could pass various tests in the high-altitude and high-speed environment not only marks an important achievement of the South Tianmen project, but also marks that mankind has possessed the energy shield technology from now on.

Seeing that the shield equipment was running well, everyone congratulated Chen Xin.

He is the general director of the whole plan and the general director of the shield project. Undoubtedly, the smooth research and development of shield technology is due to him.

But Chen Xin was very insipid. He just smiled politely. After receiving the congratulations from everyone, he ordered the pilot to continue other tests.

However, the main tests have been completed, and the rest are only the basic projects of performance tests. Although they must be completed, they will not affect the overall situation.

Moreover, due to the lack of weapons used in this high-altitude and high-speed environment, it is impossible to conduct actual combat tests on shield equipment. Therefore, after completing all the test items, Chen Xin ordered the aerospace plane to return.

"Can the air defense weapons we have now pose a threat to aerospace aircraft?" thinking of this question, Chen Xin asked an air force officer nearby.

The South Tianmen project was originally developed by the air force, and the air force also participated in various projects. Naturally, air force officers were also present during the test flight of aerospace aircraft.

Hearing Chen Xin's question, the air force officer shook his head: "if the aerospace plane maintains hypersonic flight speed, there is no way to shoot it down in terms of the performance of air defense weapons we currently have. The speed is too fast. Even if the radar can be locked, the missile can't catch up."

Hypersonic missile is one of the most advanced missiles in the world before the disaster. It is very difficult to intercept it with the existing human air defense weapon system.

After replacing hypersonic missiles with more flexible hypersonic aircraft, the interception difficulty is undoubtedly greatly enhanced.

Because the flight speed of hypersonic aircraft is too fast, when maneuvering in the air, it will bring great tracking overload pressure to the missiles to intercept. This overload pressure may be an amazing number of 80 to 90g, which can not be achieved by all active air defense missiles in the world.

Moreover, if we want to intercept hypersonic targets, we need not only a missile that can catch up with the target, but also an air defense radar system that can lock it and a guidance system that can guide the missile to track the target.

Only in this way can we intercept hypersonic targets.

However, even if these three conditions are complete, they are only capable of intercepting hypersonic missiles.

In order to intercept the air and space fighters with special stealth design for the fuselage, ultra-high maneuverability and high-altitude and high-speed penetration, humans must develop a more efficient air defense system.

After understanding these situations, Chen Xin whispered something to the air force officers. After listening, the other party's expression on his face became very wonderful, but he quickly nodded excitedly and soon left the tower.

Many people in the tower noticed this scene, especially several foreign researchers.

But at the moment, they all had a very tacit understanding. They didn't even pay much attention to the scene. They saw it and pretended not to see it.

Nowadays, the pattern of blue star is that all countries rely on Yanguo to live. If you go to inquire about something you shouldn't inquire about and offend Yanguo, it's not a small matter.

Not to mention that they are all working on the territory of Yanguo people, and they rush to inquire about some things, which may be suspected of espionage. Just offending Yanguo and causing their country to be cut off by Yanguo is enough to send European countries whose situation has just improved back to hell again.

In addition, Chen xinmingxian has an attitude that he doesn't want people to know, so they can't inquire about something they shouldn't.

Therefore, these foreign researchers look at the nose and heart from the eyes of the heart, with an expression that they don't know anything.

Chen Xin naturally saw the attitude of these foreign researchers, but he didn't make any additional remarks.

After all, what he just mentioned to the air force officer is really something that outsiders can't know and inquire about. He himself regrets mentioning it on this occasion. He should find a safer occasion to mention it again.

But just now he spoke in a very low voice. This is the air force base of Yanguo. I don't worry that someone will overhear their conversation.

Moreover, even if someone really overheard his conversation, these scientific researchers from Europe can't send back the information. We should know that all their contacts with Europe depend on the communication channels of inflammatory country, and the Intelligence Department of inflammatory country will not be completely open for them to use.

Therefore, Chen Xin soon relieved himself and left the tower after the aerospace plane returned.

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