Next, Zhang Kun bypassed the squad that was carrying out the minesweeping operation, made a big circle, and then continued to move forward.

After walking carefully for more than ten minutes, Lei Yu raised his hand with a straight face: "Be careful, we are going to enter the uncleared minefield, slow down, follow my steps." ”

Zhang Kun took a deep breath slightly, then nodded.

It's time to officially enter the minefield, even he doesn't dare to be careless, after all, he is only a martial arts master, not King Kong is not bad. In the face of thermal weapons, he is not much different from an ordinary person.

Well, even if he can occasionally dodge two bullets, but in front of a mine, the kind of explosion that sounds when touched and covers no dead end, no matter how fast he is, it is useless.

Where it should be blown up or where it will be blown up.

Therefore, for the sake of his own life, at such a time, Zhang Kun must not be careless.

Xiang Lei Yu nodded, and then saw the thunder rain slowly retreat into the ground, and after more than ten seconds, half of the body of the thunder rain appeared on the ground, and beckoned to Zhang Kun: "It's safe here." ”

Zhang Kun took two steps forward and stood at the place where the thunderstorm was coming at this time.

Then the thunderstorm continued to explore its way.

In this way, Lei Yu slowly determined the safe route, and Zhang Kun slowly followed step by step, while making a mark when returning the same way.

After more than an hour, the two men advanced a little more than a kilometer.

At this time, Zhang Kun was standing on a small hillside, the thunderstorm was floating beside him, and then Yaoyao pointed into the distance.

"That's almost it, have you seen the grove in front of you?"

Zhang Kun nodded, and in the direction pointed by the thunderstorm, a subtropical jungle slowly began to appear, the jungle was not very big, and Zhang Kun could even faintly see the end of the jungle.

In the jungle, the trees are not luxuriant, and they are completely incomparable with the real rainforest of Johannesburg that Zhang Kun once visited, without too thick vegetation, most of which are trunks thicker than an arm.

"There, and there's a little jungle of this behind there, that's the goal of our trip. Thunderstorm said softly.

"The minefield on our Sino-Vietnamese border is famous even in the world, and it can be called the most complex minefield in the world. Not only is there a high density of mines, but there are also many types. There are dozens of anti-tank mines, anti-infantry mines, loose mines, tripping mines, jumping mines, trick mines, etc. ”

"And in addition to Chinese-style mines and Vietnamese-style mines, there are also Soviet-style American-style mines because of the involvement of the Soviet Union and the United States in the Sino-Vietnamese counterattack and self-defense war. ”

"In addition, it has been decades since the end of the Sino-Vietnamese War, and in these years, a series of reasons such as high temperatures, surface water erosion, heavy rains, and floods may cause the location of mines and explosives to change, or to expose the roadside, or to bury deep in the soil, or to hide in rock crevices, or in small streams. This makes it completely impossible for us to demine based on reverse reasoning. ”

"But that's not the most difficult, it's the terrain that really poses the biggest threat to our demining work. ”

"As you saw just now, there are all kinds of auxiliary robots when we are clearing mines in the plains, and with the help of those robots, the casualties of front-line demining soldiers have been reduced to a minimum as much as possible, and even, infinitely close to zero, thanks to those scientific research workers. ”

"However, assistant robots are not a panacea, and in some places where the terrain is a little more complicated, those robots are completely inoperable. For example, the wrecker truck will not work at all on a slope of more than 40 degrees. ”

"What's more, many places behind can be called high mountains, steep slopes, dense forests, steep terrain, and some places even have cliffs at their feet, in that kind of place, even the delicate and flexible minesweeper robot is completely difficult to walk. ”

"In such a situation, it can only be our minesweepers. ”

"As mentioned earlier, for various reasons, mines and explosives may be hidden anywhere, whether it is in the corners of tree roots, in stone crevices, in streams, and if one is not careful, it may be an explosion. ”

"As far as I know, most of the casualties in minesweeping missions occur in this kind of jungle terrain. ”

"Therefore, we don't care about the mines in the plains, what we have to do is to mark the location of all the mines in these high-risk terrains, so that my comrades-in-arms can minimize accidental casualties as much as possible. ”

Zhang Kun nodded knowingly, indicating that he understood.

"Then, when I had just died and had not yet met Mr. Qi, I had gone through all the mines under those two jungles, and we probably needed to mark more than 3,800 mines. ”

"So many?" Zhang Kun looked at Lei Yu, his brows furrowed slightly.

"Much?" Lei Yu smiled, then shook his head: "That's not much. ”

"Nine months have passed since the beginning of this minesweeping mission, and nearly 80 percent of the planned mine-clearing area has been cleared, and more than 20 percent of the uncleared area remains. The remaining two high-risk areas of the jungle are estimated to account for less than 2 percent of the total area. ”

"If I had invited you earlier and asked you to mark all the high-risk minefields, I'm afraid I wouldn't have stopped 30,000 mines. ”

"You must know that in this mine-clearing mission, more than 200,000 mines have been cleared, and there are more than 100,000 other explosives, 3,080, not much. ”

Lei Yu explained with a smile, and then continued: "Next, we need to prepare some marking tools, and then some living items. ”

"We might have to prepare four thousand copies of the marker tool, just in case. Then, when we officially entered the jungle, we couldn't go back and forth every day, so we might need to spend a few days in the wilderness and prepare some wilderness survival supplies. ”

"If we want not to attract the attention of my comrades, we need to go into the innermost jungle first, mark the mines from the innermost part, and then push out little by little. ”

"And in order to be hidden, we also need to implement a strategy of working at night and resting during the day as much as possible. ”

"Then based on the rate at which we mark one mine per minute, I roughly estimated that it could take us six to seven days. You'll need this time to prepare all the supplies we need. ”

"Okay, that's about it, do you have any questions?"

Zhang Kun looked at the jungle in the distance, pondered for a long time, and then nodded: "Just do it." ”

Zhang Kun approved of the plan, and then the two returned the same way they came.

Along the way, he carefully bypassed the minesweepers who were clearing mines, and then found the hidden motorcycle, and Zhang Kun returned to Maguan County.

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