Chen Xin naturally knows nothing about AZU and others' intention to seize his refuge or even control him. Even Chen Xin does not know that his refuge has been monitored.

But even if he knows, I'm afraid in Chen Xin's opinion, it's not something that deserves his attention.

Even the modern army has to rely on heavy firepower to blow the door open because of the firmness of the 300 mm thick nichrome armored steel gate at the main entrance of the refuge.

This kind of heavy firepower does not mean heavy machine guns or rocket launchers, or even mortars. It means real heavy firepower, at least the armor piercing projectiles from the main guns of the main battle tanks.

Don't think this is an exaggeration. During World War II, the front armor thickness of the main turret of Bismarck class battleship was 360mm, that of hood Battlecruiser was 381mm, and that of Missouri battleship was 495mm

It can be said that Chen Xin's gate was the battleship class defense during World War II. During World War II, the main turret armor of battleships was the thickest part of the whole warship. Only the main guns of other battleships could penetrate it.

Even with the development of modern military science and technology, the armor piercing ability of artillery has been greatly improved. It is not possible for ordinary caliber artillery to penetrate 300 mm homogeneous Ni Cr alloy armor steel.

Moreover, this kind of large caliber heavy artillery, even in a big military country such as the blue star five, is also used to equip the first-line main combat forces, not to mention the special police or the armed police, even the general second-line forces may not have such heavy firepower.

Therefore, several terrorists are really ignored by Chen Xin.

Even if they can launch a man bomb attack and let the fearless cannon fodder be bound with explosives to blow up the door, the two double mounted markchin in front of Chen Xin's door are not for display.

Although not many bullets were prepared, there was no problem in killing three or five hundred people with the help of automatic aiming.

It's not nice to say that with the current defensive ability of Chen Xin's shelter, even if the special police and the armed police in the urban area attack together, there is no possibility of fighting down.

Perhaps the biggest result they can achieve is to leave a few bullet marks on the gate of Chen Xin's refuge with heavy machine guns.

With this kind of defense, Chen Xinli certainly won't worry about his own safety problems, so he has time to transform his car.

After Li Yulong sent the car parts and other related materials, Chen Xin's car transformation plan also went smoothly.

Today's car is no longer the SUV it used to be, or even two cars.

If it wasn't for the information state concept fuzzy technology provided by the system, I'm afraid no one would think that this car comparable to a large bus is transformed from an SUV, and there is no similarity between the two.

Under the 12 meter long vehicle body is a segmented crawler chassis. Under the front double row three defense cockpit is a four meter long crawler. Under the rear life cabin is a six meter long crawler.

Chen Xin originally intended to build a whole track, but after the upgrade, it became such a segmented type. He can only default. After all, he is not a professional, and he can't tell which one is better than the other.

The whole car uses 9mm thick steel plate as the skin, and the main parts are equipped with armor plates. The chassis can resist the attack of mines or grenades. Even the front cockpit glass can only be penetrated by large caliber anti equipment sniper rifles.

The surface is painted with snow camouflage. In this dark snow environment, this is the best camouflage. In addition, the car uses the triple 200 kW isotope thermoelectric battery as the power source for electric drive, which makes the car extremely difficult to be found.

The infrared night vision device attached to the cockpit allows the car to drive without driving the lights, which effectively eliminates the possibility of the car being found.

In addition to these, the car is equipped with a radar that Chen Xin doesn't know about, which can easily detect all moving objects within a radius of 5 km; and four military UAVs, two of which are equipped with machine guns as weapons.

There is also a hidden 12.7mm caliber three barrel Gatling machine gun on the roof, equipped with high explosive combustion armour piercing ammunition. Except for the main battle tank, there is no land vehicle that can withstand this degree of fire.

As for the interior of the car, the living cabin is equipped with a luxury saloon car. It is equipped with a fully functional flow table, an induction cooker, a microwave oven, a sink, a washing machine, a dishwasher, and a cabinet that can store a large number of kitchenware.

In addition to the bathtub, the dry wet separation toilet on the car is no different from the ordinary household toilet.

After careful design of two 2.1m × 1.8m double beds and two 0.8m × 1.8 single beds, you can sleep at least six adults without pressure. Even if you squeeze it, there is no personal problem.

The car has a complete water circulation system, with a water tank that can hold five tons of water and a water treatment and filtration system, which is enough to provide sufficient domestic water for six to eight passengers on board.Even in order to ensure that the car can meet the needs of long-term survival in the wild, Chen Xin also installed a planting box with five layers of 0.2m × 0.6m, which can provide sufficient vegetables, with a large trunk at the rear of the car, and can hold enough food for six people for a month without pressure.

With this car, Chen Xin has enough confidence to be able to return to his hometown and pick up his parents.

He believes that with this car, he can cope with the journey of more than 600 kilometers across four provinces and successfully pick up his parents.

Of course, such a luxury configuration, excellent performance of armored RV up the cost of transformation is extremely amazing.

If Chen Xin hadn't gathered a lot of raw materials through Li Yulong, and transformed and processed a large batch of spare parts by himself, the survival points needed to upgrade such a car would be enough to upgrade a half refuge as a whole.

Even with sufficient materials, the 2500 point survival still makes Chen Xin feel extremely painful.

But he bit his teeth and put the survival into it.

After all, it's a car to pick up his parents. Now he's afraid that there are some shortcomings or loopholes in the car, which will not make him return to his hometown smoothly.

In addition, no matter how much resources and survival are consumed, Chen Xin will give up.

Now that such a car has been upgraded successfully, Chen Xin also feels that it is worth the money.

"It's over at last! Ah Xin, your hands-on ability is too strong! " Ding Ning looked at the armored caravan in front of him, and was amazed.

In her and Qin Lan's eyes, the car was transformed bit by bit by both of them with Chen Xin, so it's hard to be excited to see the upgraded armored RV, no matter Ding Ning or Qin LAN.

However, in Chen Xin's opinion, it's a bit of a violation. In order to avoid exposing his biggest secret, Chen Xin said to Ding Ning and Qin LAN, "thank you for your help. If I want to complete the transformation of this car alone, I don't know how busy I will be."

"Ah Xin, you're welcome. Ah Ning and I didn't do anything. We just gave you a hand. It's nothing." Qin LAN shook her head. Although she and Ding Ning did help a lot in her perspective, her personality did not make her feel that she had done much.

Chen Xin didn't like it either. He opened the door on one side of the car, put down the gangway and said to them, "two beauties, do you want to go up and have a look together?"

In the face of Chen Xin's invitation and the powerful but restrained heavy armored RV in front of them, Qin LAN and Ding Ning look at each other and can't help laughing at each other. They board the car together.

Because it's a car from the middle of the car body, so after getting on the car, what appears in front of them is a table and a circle of zigzag sofa around the table.

Chen Xin also got on the bus at this time and said to them, "this is the living area. You can sit here to eat or chat. The front is the cab, and the back is the bedroom, kitchen and bathroom."

As he said this, Chen Xin lowered the table in the middle of the sofa and explained to them with a smile: "this table can be lifted and lowered. After it is lowered, there is a double bed."

"Double bed?" Ding Ning looked at the table that had fallen to the level of the sofa beside him, and couldn't help saying to Chen Xin: "it looks very spacious. Is it comfortable to sleep at night?"

"I don't know. I have to go to sleep and try." For this problem, Chen Xin can only smile that he does not know.

Compared with Ding Ning, Qin LAN is more concerned about the living area. She takes the initiative to go forward and enters the cab after passing through a passage less than half a meter long.

Chen Xin naturally follows. Seeing Qin LAN looking at all kinds of equipment around the driver's seat curiously, he takes the initiative to introduce them to her one by one.

Listening to Chen Xin's introduction of the radar, UAV and night vision equipment, Qin LAN could not help sighing: "ah Xin, you are better than the armored vehicles used in our team."

"No way! After all, I have to go through six provinces and run more than 600 kilometers to meet my parents. If the function of the car is not complete, I can't run so far to come back. " Chen Xin can only say that this is a practical need.

However, after hearing Chen Xin's words, Qin LAN just looked at him and asked him a question: "ah Xin, when are you going to leave and go back to your hometown to meet your parents?"

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