The soft surface dirt was dug through by several armors in turn, and their big iron hands were the best digging tools, especially the two shaped armors, whose sharp claws could cut through even hard rock.

Digging all the way down until it couldn't be dug up, the Scorpion armor went in, its modified Vulcan cannon was tightly pressed against the rock, and as soon as the firing signal was turned on, the Vulcan cannon with the bullet chain removed turned at high speed, driving the scorpion tail to quickly drill a big hole in the rock.

The large hole was seventy centimeters wide and just large enough to fit a glass detonator.

A number of glass detonators of different properties were inserted one by one, and a simple detonating device was pressed down at the end, and then the stone was blocked.

After finishing it, without Zhang Qifan's orders, everyone consciously retreated a distance.

The detonator exploded, and the force of the impact pushed all the glass detonators forward, shattering the glass and fusing the liquid inside almost instantaneously.

Because it was pushed and fused together by the detonating device, the liquid gushed in the same direction before the fusion, and the moment of fusion, it exploded, and most of the power was released forward, producing an effect similar to a directional blast.

The ground exploded into flames, and the nearby ground shook wildly, and a large amount of dust was sprayed into the sky. Although the power is not small, it is very different from the mushroom cloud that was stepped on by a simple mine before.

* When the flames and dust and smoke dissipated, a large crater of thirty or forty meters appeared on the ground, reaching a depth of at least thirty meters.

Under Zhang Qifan's command, a leopard armor entered the pit and cleared all the dirt in the pit as quickly as possible. The scorpion went backwards and burrowed again. Stuffing explosives, and so on. A tunnel with a diameter of thirty or forty meters and an oblique underground gradually took shape.

Looking at Zhang Qifan's actions, Liu Ye actually had doubts in his heart, with these glass detonators in their hands, could they really penetrate a tunnel that led directly to the enemy's base?

Thirty meters at a time, only three hundred meters for ten round trips, so many huge turrets towering on the plain, a solid foundation is needed, otherwise they don't need to attack. The recoil of the turret can knock the plain down on its own, so the thickness of the stratum is likely to be more than three hundred meters.

What's more, they still hit diagonally, and the distance required will be longer.

Liu Ye's doubts also arose in the hearts of other commandos, but now that they have lost contact with the battleship, no one can give them orders, and follow Zhang Qifan at least have a clear goal and know what they are doing.

However, this suspicion did not last long, and with the fifth wave of explosions, the bottom of the pit suddenly sounded with a clattering fall. When I looked at it, a large amount of gravel and gravel kept rolling down, and the end of the passage was pitch black and bottomless.

The tunnel seems to have pierced through the rock formations. to a large underground space.

Zhang Qifan greeted in the communication channel and took the lead in the tunnel.

Liu Ye and the rest of the commandos hesitated, gritted their teeth and followed one after another. Over the potholes. They entered a long, narrow underground space. The height of this space is only seventy or eighty meters, and the width of the left and right is three or four hundred meters. But it stretched diagonally downward, and I don't know where it extended.

And the pit they dug out. It is connected to the top of this space, and the hole is almost the shortest route into this space, and a little deviation is likely to take a few more efforts, just like watching a holographic map play.

Liu Ye couldn't help but ask, "Chen Wu, don't you have the number of places here, right?" The position is so accurate? It's like watching a fight. ”

Zhang Qifan did watch the fight, but naturally not because of the number of ground types, but because he could really 'see' through the formation. But this reason obviously can't be declared, and can only acquiesce to Liu Ye's statement.

Under the leadership of Zhang Qifan, a total of fifty-three armored bodies quickly passed through the long and narrow underground space, and when they reached the middle section, Zhang Qifan pointed to a mediocre position and motioned for the scorpion armor to make a hole in this place.

This was repeated four times, and all the mines that Zhang Qifan had collected were used up.

Clearing out the debris in the pit again, Zhang Qifan beckoned to Liu Ye.

When he came over, Liu Ye's ammunition and energy box were all thrown away, leaving only the ten ground-penetrating bullets that Liu Ye still carried. But when his armor is fully charged, he can only fire five shots in a row. Now that I've traveled so far, I can only fire four shots with the energy I have left.

The warhead charge in the heavy magnetic ground-drilling bomb is a tactical nuclear bomb, which is very powerful, and he generally fires the cannon from dozens of kilometers away, and this kind of closed underground space has no room for him to play at all.

Seeing Zhang Qifan beckoning, Liu Ye walked over hesitantly, hugged his heavy snipe and asked vigilantly: "What do you want me to do?" He made up his mind that if Zhang Qifan asked him to shoot at the pothole, he would definitely refuse.

Zhang Qifan took his heavy sniper, freed up all the ammunition, quickly dismantled the warhead, leaving only the ground-penetrating warhead stuffed into the heavy sniper, threw it back to Liu Ye, and then pointed at the hole.

There is no need to say anything, Liu Ye also knows what to do, looking at the dismantled warheads in a daze, he muttered: "This is okay...... ”

The four guns went down, and the heavy magnetic ground-drilling warhead was like a pile driver, and each cannon extended the crater by more than 20 meters. The four cannons consumed the energy of Liu Ye's armor, and before he could stop, two full energy boxes moved to his side.

Liu Ye's armor and the commando's armored energy box are universal, there are more than fifty commando armors here, each contributing a box of energy, enough for Liu Ye to shoot dozens of more cannons, but unfortunately he doesn't have so many shells.

Four more cannons down, tom! Liu Ye felt that something had been pierced, and the pit no longer poured back a large amount of debris and dust like the previous times, but there was an indescribable coldness, which poured out of the pit, making Liu Ye shiver smartly.

"Hell, it's so cold......" Liu Ye subconsciously retreated, and as soon as he retreated enough space, Zhang Qifan's armor rushed past him and drilled into the pit as fast as he could.

As Zhang Qifan entered the pit, the feeling that was so cold that Liu Ye shivered completely disappeared.

The channel rang out with the other commandos' inquiries: "How can it be cold?" Is the cockpit climate control broken? ”

yes, how do you feel cold? I'm in the cockpit, is it an illusion?

Without waiting for Liu Ye to think about it, the armor of the commando team surrounded him, and their urging sounded in the channel: "Keep up, keep up, hurry." ”

Urged by the people behind, Liu Ye was helpless, so he got into the pit and slid down. It didn't take long for him to fall to the bottom of the pit, and he raised his head and took two steps forward, vacating the bottom of the pit so as not to be hit by the armor that followed him.

But as soon as he raised his head, Liu Ye's feet couldn't move, and the whole person was fixed there.

I saw a huge pyramid towering in the underground space in front of it, and around the pyramid, countless corpses buried the pyramid, submerging one-fifth of its height. (To be continued......)

ps: Thank you barren people, Qi Xiaolong, barren people, sword dance 001 monthly pass R1292