After a while, I heard an inspector excitedly say, "Found it." Yes Chlorinated hydrocarbons, but this is not the core leakage area, and the amount is still too small to destroy the ozone layer. ”

"Wind direction!" Wang Xiaosong said directly.

At this time, the co-pilot of the helicopter first froze, and then subconsciously reported the direction of the wind, which made Wang Xiaosong feel as if he was back in the military.

After hearing the direction of the wind, Wang Xiaosong pointed directly to the right front: "Two o'clock direction, about two kilometers, hurry up!"

The plane sped forward and saw that it had arrived at the predetermined place, so it began to measure directly. Soon, the surveyor's voice changed: "That's right! There's a lot of chlorinated hydrocarbons in the air!

But at this time, Su Bohui and Wang Xiaosong had a difficulty, even though the core area has been determined now, but the ravine is very deep, and in such an environment, the valley airflow is very unstable. This is an almost fatal threat to helicopters.

In other words, they can only look for the source of pollution by visual inspection at high altitudes, which is still too slow at this speed.

Two helicopters had turned on their searchlights, and the two pillars of light swayed back and forth between the mountains in the dark night, but there was still no way to determine where the source of the pollution was.

"Chlorinated hydrocarbons are slightly less dense than nitrogen, so we can't pinpoint the exact location even with density mapping instruments or thermal imaging instruments. The area of this mountain range is about 20 square kilometers. Although it is winter now, there are many coniferous forests in the mountains, and our view is very poor. If you want to find it quickly, it seems that there is only one way. ”

Su Bohui gritted his teeth and said the above words, Wang Xiaosong frowned: "I understand what you mean, so let's go our separate ways now."

You ask the wingman to return to the plane immediately to report what we have discovered, and on the other hand, you also send the air samples from the scene to the emergency command center. The members of our plane formed a search detachment, and they descended directly from here and searched on foot!"

Su Bohui frowned: "Now there is only one way left." ”

However, at this time, the commander of the wingman objected: "If you search on foot, the number of personnel will have a very big impact. And if you find a specific location, you'll definitely need long-range fire to destroy the chlorinated hydrocarbons. I suggest that we work in the air.

Director Wang is our temporary commander, so I ask that Director Wang stay on the long plane, while the long plane continues to search in the air, and the wingman lands on the ground to search. ”

This also makes some sense, Wang Xiaosong does like heroes a little, but he knows very well that now is not the time to be heroes.

Wang Xiaosong nodded directly: "Captain Su, what the wingman said is right." ”

Su Bohui nodded: "The wingman is under my command, and now start looking for a suitable landing ground to serve as your high-altitude guide." ”

After saying that, the long plane began to climb and used the searchlight on the plane to assist the wingman in finding a landing site. I watched the wingman gradually fall into the depths of the valley.

At first, the speed of the wingman's descent was good, but after all, the mountain pass in the valley was too narrow, and the distance between the two sides was at the narrowest point, only forty or fifty meters.

Such a situation is tantamount to using an airplane to 'thread the needle in the air', and it is a very severe test of the pilot's flight skills and psychological quality.

But it was clear that the wingman pilot was indeed very good, and the helicopter always maintained a steady descent, however, when the fuselage had entered the mountain pass, all of a sudden, the wingman was seen to swing slightly.

This directly made Wang Xiaosong's hearts rise to their throats, and after watching the wingman sway from side to side and descend for a while, suddenly, the wingman began to descend rapidly. Finally disappeared from everyone's sight.

Su Bohui was in a hurry all of a sudden, and after the plane circled in the sky for more than ten seconds, he shouted through the communicator: "The wingman heard the answer!

There was no answer, and at this time, Su Bohui directly ordered the pilot: "Land!"

"Wait!" Wang Xiaosong hurriedly stopped them.

Su Bohui was stunned for a moment, and then heard Wang Xiaosong say: "Captain Su, I'm sorry, I can't let you do this." We have managed to find the core area of the pollution, and if something happens to us again, who will find the source of the pollution!"

"But I can't watch my comrades die like this!" Su Bohui was annoyed.

"I used to be a soldier! And I'm a special combat soldier! I can understand your feelings, but since I'm now a temporary commander, I order you not to land directly!

Now everybody obeys me. Lu Fei, as well as the two comrades in charge of testing, and myself. The four of us formed the source search team. Later, we rappelled down the side of the hill to search for and eliminate the source of the pollution.

The pilot, the co-pilot, stayed here as a relay station for us to communicate with the outside world. We are in contact with each other by radio, and you need to ensure contact with the emergency command center.

Captain Su, you lead the rest of the people to rappel with us, and when you arrive in the forest area, you are responsible for searching and rescuing the wingman crew.

I know what you're thinking, and you're probably thinking, the most important thing we should do now is to seek reinforcements from the emergency command center. But now they don't have time to send people to the rescue, and we are on our own. Got it?"

Hearing Wang Xiaosong's arrangement, Su Bohui immediately nodded: "I understand, Director Wang, I support your decision." ”

Soon, the plane thought about a gentle slope five hundred meters ahead and slowly flew over, the air flow conditions here were even worse than the place just now, but the plane landing, different from the conditions required for crew rappelling.

It's not suitable for landing, but it's a good rappelling site. Soon, the plane hovered more than twenty meters from the hillside, and two ropes were thrown from the plane.

Wang Xiaosong pinched a descent slower and said to Lu Fei and the two inspectors behind him: "I'll show you in a while, fix the descent slower on your belt, and then buckle the rope." Just jump down.

This new type of descent slower, we call it a fool landing plane in the army, the name is not good, but it shows that the difficulty of the rope landing can be greatly reduced with this thing, this buckle can control the landing speed, pay attention to keep the speed below five meters per second, I don't want to start for a while, and one or two more broken feet or broken bones. ”