Xu Feng dispatched 40 fighters this time, each eight against an artillery group, hoping to knock out the Japanese artillery positions in the shortest possible time, and the 40 fighters flew towards the Japanese positions in a mighty manner.

Before leaving, Yang Yu suggested to Xu Feng that he should carry anti-radiation missiles to attack the radar of the Japanese army, but Xu Feng did not agree, because Xu Feng heard from Lin Yuan that the Japanese army's pine resin had been burned out, and even if they found the traces of the fighters, they were helpless, so there were no Lang Fei anti-radiation missiles.

The radar unit on the Japanese position was nervously looking at the radar screen, and suddenly, the warning light on the radar screen turned on, and the buzzer rang non-stop, and the commander of the radar unit immediately reported to Kishimoto Yunan: "Division commander, we have discovered the plane of Lin Yuan's troops. ”

Yunan Kishimoto was shocked in his heart, and hurriedly said: "Set fire immediately!" The original reserve of pine resin by the Japanese army was burned by Lin Yuan's agents, so they had to order the soldiers to go to the mountains to cut down a lot of branches and come back, split into small pieces, and barely replace the pine resin, but when those things burned, they couldn't emit much smoke at all, so the Japanese army set a little fire, and only a faint white smoke rose.

Yunan Kishimoto thought to himself in surprise: "It's over, I'm afraid this kind of smoke can't stop Lin Yuan's flying machine, but there is no way, who let us not have new pine resin." ”

When Kishimoto Yunan was thinking, Xu Feng ordered his fighters to attack the cave where the Japanese artillery was hiding, and the pilots threw down the TV-guided missiles, and the TV-guided missiles flew towards the hiding hole of the Japanese artillery, and soon the violent explosion sounded in the hiding hole of the Japanese artillery, and the Japanese artillery was blown to pieces!

An hour later, Xu Feng's attack was completed, so he sent a message to Lin Yuan: "The missiles have all been fired into the cave where the Japanese artillery is hiding. When Lin Yuan heard the news, he didn't wait to confirm the results of the battle, and immediately ordered Xiao Yingwu to launch a full-scale attack on the Japanese army on Hamgyong Mountain!

With an order, the four troops participating in the battle immediately crossed the Tumen River from four directions and rushed towards the four mountain passes, among which the advance regiment of the Seventh Division was the fastest to reach the mountain pass, this mountain pass is called Guichou Pass, which is the passage into the mountain, there is a road more than 100 meters wide, which was built by the Japanese army, and both sides of the road are all mountains four or five hundred meters high from the ground, if the defenders on the mountain are not eliminated, the defenders on the mountain will turn the road below into a road of death!

Lin Yuan pointed out at the pre-war preparatory meeting: "The mountains occupied by the Japanese army seem to be well defended, but they have their own weaknesses, that is: the mountains are isolated from each other and cannot support each other in a fight, so the troops participating in the war must be good at taking advantage of this point and attacking the Japanese mountains one by one." ”

The outermost part of the mountain pass is the 423 heights, at this time it is in front of Lu Xinghua's eyes, Lu Xinghua raised the telescope to look, and found that the Japanese army did not open a cave in the mountain, but set up a ring defense circle, starting from a 100-meter high slope, set up a circle every 100 meters in each direction, a total of three defense circles, forming a three-dimensional firepower network, which will cause devastating damage to the troops who dare to climb the mountain to attack, and the slope of the hillside is as high as 40 degrees, and the armored vehicles cannot go up at all, so they can only rely on people to rush up.

Lu Xinghua smiled secretly in his heart: "We won't fight hard for such a tight defense network." Lu Xinghua then ordered: "Prepare tank guns, use high-explosive grenades, and launch an attack on the Japanese army's three-layer defense circle!" ”

The tank guns then aimed at the Japanese fortifications and launched an artillery bombardment, and the shelling lasted for ten minutes, and the Japanese soldiers were basically invisible on the position. ”

The infantry of Lin Yuan's army rushed towards the top of the mountain, and just as they approached the first defensive circle, they suddenly flew out of the defensive circle and exploded in front of the charging troops.

Seeing that the attack was blocked, Lu Xinghua hurriedly said to the staff officers beside him: "Didn't our shells hurt their infantry at all?" Hurry up and ask, what's going on? ”

The staff officer handed the microphone of the communicator to Lu Xinghua and said, "We have connected with Zhou Kai, the commander of the infantry battalion, and asked him to tell you personally." ”

Zhou Kai, the commander of the infantry battalion, said without waiting for Lu Xinghua to speak: "Regiment commander, our tank guns don't seem to work at all!" We rushed up only to find that the Japanese defenders did not seem to have decreased at all, not only did they not decrease, but it seemed that their combat effectiveness had become stronger, and we were defeated by them. ”

When Lu Xinghua heard this, he immediately thought to himself: "In this way, when we were shelling, our shells didn't hit the little devils, what's going on?" They must have been hiding during the shelling! But where did they hide? Thinking of this, Lu Xinghua immediately asked the infantry battalion commander: "Have you seen where they came from?" ”

The infantry battalion commander said: "When it exploded just now, it was all smoke, and the bunker of the little devil was not short, it was a man high, and we were below them, so we didn't see where they came from!" ”

Lu Xinghua raised the telescope again, took a good look at the mountain, and thought: "There is absolutely no cave!" The Japanese trenches were also very thin, and it didn't look like they could hide people, so they hid behind the mountains during the shelling? Absolutely impossible, in that case they have to go far, will they be able to make time? I'll have to figure out where the Japanese were hiding while we opened fire. ”

Lu Xinghua then said to the infantry battalion commander: "You guys give me all the eyes on, I'll shoot another round of artillery, you show me clearly, where is the little devil hiding?" ”

Battalion commander Zhou Kai said in embarrassment: "But regiment commander, as soon as our shells explode, they are full of black smoke, and they can't see clearly if they want to!" ”

Lu Xinghua said: "You can show me, I'll shoot some smokeless cannons and pop them out." ”

The battalion commander hurriedly asked: "And there are no smoked shells?" ”

Lu Xinghua did not answer, but ordered the tank troops: "Use check shells to launch an attack on Japanese targets!" ”

Li Yonglong, the commander of the tank battalion, was stunned when he heard this, and said: "Regiment commander, there is no explosive in the check bomb, and if it hits a person, it will not hurt anyone at all." ”

Lu Xinghua said: "Don't talk nonsense, if you want to beat you, you will fight!" ”

Li Yonglong then said: "Yes! Then he ordered: "Attention everyone, switch to check shells, the target remains the same, and fire!" ”

In the TK-96's fire control system, the body tube is driven to the line of sight, and there will be errors after a long time, and the check bomb is used to measure this error. Although this kind of bullet is the same as the grenade, but in order to save costs and safety, the warhead of the artillery shell is not filled with explosives, but uses a plastic filler with a density similar to that of explosives, so this kind of check shell will not explode when it hits the enemy's position, and naturally it will not produce black smoke, but this kind of shell also has a sharp whistling sound, so the enemy will think that the shell is coming when he hears the sound.