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When Lei Yunfeng spoke, the whole person was like a magic shadow, and he had arrived in front of the devil wearing a chemical protective suit and holding a German-style submachine gun, a white light suddenly flashed, and the vigilant little devil fell down in the corridor without saying a word.

Fang Shichao was guarding the staircase, Su Xiaoyan followed closely, Lei Yunfeng and the two quickly rushed into the first room on the second floor, and found that the four little devils who served as guards on the second floor were sitting on a long chair with a gun, and they didn't know whether they were asleep or dozing off, and they were unaware of the people who broke in.

"Kill them." Lei Yunfeng gave an order in a low voice and pounced on the little devil, and it didn't take a minute for the two of them to destroy the four devils in charge of the guard task in the duty room.

Lei Yunfeng took the lead in snatching a German-style submachine gun from the devil who had been killed with a knife, and rushed out of the duty room with it on his shoulder.

One of the five Japanese researchers in the second room who was immersed in research heard the sound of fast and heavy footsteps outside the door, and looked up at the door vigilantly, when he saw a man wearing a chemical protective suit with a submachine gun walking in, not only shouted angrily:

"Bastard, this is a major place for the development of biological and chemical weapons, who told you to come in? Get out of here, or you will be punished severely. ”

"Raise your hands and stand still and don't move, we are the 'Praying Mantis' special operation group of the Military Control Bureau, and our mission is to destroy the Japanese army's bacteriological weapons research and development base, as long as you cooperate and do not resist, I will consider sparing your life."

When the five Japanese military researchers heard Lei Yunfeng report his identity and the task he was going to perform, how could he easily raise his hand and surrender? These trained researchers, knowing that they encounter a strong enemy, quickly pick up weapons from their side that are ready to deal with the unexpected.

Lei Yunfeng saw that these five little devils were resisting with guns, took out his pistol and fired five shots at the fastest speed, and as the last sharp gunfire disappeared, although the five little devils were wearing chemical protective suits, they were still killed and fell to the ground.

At the top-secret base for the development of bacteriological weapons, which was the most heavily concealed and heavily guarded by the Japanese army, five sharp gunshots suddenly rang out from the second floor, and the personnel of the Japanese army's research base, which was hidden in the deepest part of the Yunping Mountain, quickly picked up the guns beside them in astonishment.

These researchers could not have imagined that the military commander here ordered them to carry weapons with them at that time, the purpose of which was to protect themselves in case of contingency.

Thinking that the base set up in the depths of the underground of Yunping Mountain, which is so secret, that there will never be a rash sneak attack by the enemy, so he doesn't pay attention to the weapons he brings with him.

But it was at this R&D base, which was thought to be the most secretive and impossible to leak, that five sharp gunshots suddenly rang out on the second floor.

The devils of the Japanese army R&D base deep underground in the entire Yuanping Mountain, who were shocked by the gunfire at this time, immediately put down the research project in their hands, picked up the gun and quickly pounced on the second floor, but they were blocked by Fang Shichao's fire blocking the stairs on the second floor.

Lei Yunfeng fired five shots and killed five rebellious devils, looked at the bottles and cans in the research room, and decisively ordered Fang Shichao who was guarding the staircase: "Place the special time bomb in the most secret place as quickly as possible, and be ready to rush out at any time." ”

He quickly rushed into the two laboratories inside, and launched the most frantic shooting against the devil researchers who were about to rush out as soon as they heard the gunshots, and must not leave these murderous demon kings who study bacteriological weapons to kill the people of the country continue to live.

They must die, because this is the most severe and deserved punishment for criminals who developed Japanese weapons for use in war.

After the task on the second floor was completed, Lei Yunfeng took Fang Shichao and Su Xiaoyan, holding a German-style submachine gun on his body, to hunt and kill the Japanese researchers who resisted on the first floor.

More than 20 little devils stood on the first floor with guns, and carried out a fire siege and killed the three people of Lei Yunfeng who were standing at the top of the stairs, and the enemy and us fought fiercely in the depths of the underground of Yunping Mountain, the Japanese army's bacteriological weapons base.

The weapons prepared by these researchers are all pistols, and in the face of the sudden frantic fire of three German submachine guns, who is the opponent? Soon they were beaten to death, and some of them were not dead and ran around with their heads in their hands.

Lei Yunfeng knew very well that infiltrating the top-secret base of the Japanese army, and at this time, a fierce gunfight with the enemy at the core of the base would soon alarm the elite of the Japanese army who were in charge of the vigilance mission.

Once the enemy implements a fire blockade from the outside, it is absolutely impossible for Wang Liang to counterattack with a single gun and a single gun, and it is absolutely impossible to block the enemy's reinforcements.

He took the lead in rushing down to the second floor, and while strangling the resisting devils, he shouted loudly to Fang Shichao: "Ah Chao, put four time bombs on the first floor, timed for seven minutes, we must rush out of the enemy's underground research base within seven minutes." ”

Under the cover of Lei Yunfeng and Su Xiaoyan's firepower, Fang Shichao shot and killed the little devil who was blocking his locked target, and at the same time quickly pounced on the important target where the time bomb was placed.

During his studies in Germany, he studied weapons and equipment machinery manufacturing, and he knew very well that the Japanese army's bacteriological weapons base was developing at this time, and these important equipment were the most sensitive and deadly parts.

In order to completely destroy the enemy's machinery and equipment when the time bomb explodes, Fang Shichao must not only fix the time bomb, but also fix the bomb in the vital part, otherwise the power of the time bomb explosion will be greatly weakened.

It only took three minutes for Fang Shichao to place four time bombs on the first floor, rushed to Lei Yun Peak and shouted:

"Cloud shopkeeper, all four time bombs have been planted, we must leave the base within five minutes, otherwise we will be blown up here."

Just when the three of Lei Yunfeng completed the task of destroying the Japanese army's bacteriological weapons base and were about to rush out, they suddenly heard fierce gunfire from the entrance of the passage.

Wang Liang, who was in charge of the guard task of entering the secret passage, heard Lei Yunfeng rushing into the passage with Fang Shichao and Su Xiaoyan, and was fighting fiercely with the enemy inside, and said aggrievedly in his heart: "Why do you want to keep me on guard outside, instead of Su Xiaoyan?" ”

He felt that this was overkill, what could Su Xiaoyan help if he followed up? Leave her at the entrance of the passage, and you can use the firepower at the entrance of the passage to block the scattered enemies that may appear.

Wang Liang thought that it was a very easy task to be in charge of vigilance, but he didn't expect the Thundercloud Summit to attach so much importance to it, and when he left, he ordered him to collect all the devil weapons killed by the sneak attack, in case the enemy outside found it suspicious and took fire to surround and kill.

Although he felt that this was a redundant move, he did not dare to disobey Lei Yunfeng's orders, because following Lei Yunfeng's side along the way, he could be regarded as a ghost who had seen Lei Yunfeng like a god, and in case, Wang Liang had to collect the enemy's weapons by his side.

Lei Yunfeng and the other three people have infiltrated the core of the Japanese army's bacteriological weapons base through the secret passage, and the time is almost fifteen minutes, and Wang Liang, who is idle and bored, suddenly hears a dull and chaotic gunfire from the passage.

Wang Liang pursed his lips and said, "Why are you still shooting with some devils who are researching bacteriological weapons?" Could it be that the core research room of the enemy base also has a devil alert unit?

If this is the case, the Japanese alert unit in charge of this place uses all German-style weapons and equipment, and there are only three of them in Lei Yunfeng, can they deal with the little devils inside? No, I, Wang Liang, want to kill them and help them.

Just when Wang Liang was about to give up his vigilance and rush in, the high-explosive bomb placed by Fang Shichao on the gate of this factory was detonated, and the Japanese soldiers who were in charge of the surrounding vigilance rushed in.

(End of chapter)