Yukiha and Yae Sakura peeled aside the shrubs that were hidden and took a closer look at the mountain wall inside.

There was a stone more than a meter high in front of me, which was obviously not a real stone, but was poured concrete.

Xue Yu reached out and knocked on the concrete door, estimating the thickness:

"It feels pretty thick, Yae Sakura, here, is there a structure that will explode and self-destruct when attacked by a strong external attack?"

Yae Sakura shook her head:

"Probably not, the facilities here are very rudimentary, there have been battles near the door, and no mechanism has been triggered."

Xue Yu nodded:

"Then I'm going to blow it up directly, you let the radio try to see if there's anyone inside."

Yae Sakura immediately began to make radio broadcasts:

"I'm Yae Sakura, there's no one inside, everyone get out of here, we're going to blow the door open!"

The snow wind inside, leaning against the mountain wall, hesitated to continue absorbing the deep-sea energy to transform the torpedo.

Hearing the sound of Xue Yu knocking on the mountain wall before, the whole person suddenly felt excited, and his brain immediately entered a high-speed state, thinking about various possibilities.

"Ordinary ship girls have discovered the anomaly here? No, this kind of place is located outside the bay, how can there be an ordinary shipwreck coming?

"The people who went out before have come back? The matter of the Izumo Admiral's Mansion was discovered? Someone to investigate?

"I'm almost completely deep sea now, and when I meet an ordinary ship girl, there's a high probability that the other party will fire directly at me!

"You can't leave the future to fate...... Hide first......"

Thinking so in his heart, Xue Feng used the only strength he had left, unpacked his ship, and floated on the sea, preparing to flee to the inside of the cave.

Just then, Yukikaze received a radio from Yae Sakura.

"Yae Sakura...... But...... Now, no one can fully trust ......"

Yukikaze muttered in a low voice, but did not respond, did not stop, and continued to sail towards the interior of the cave.

Yae Sakura outside sent a few broadcasts in a row, but did not receive a reply, and shook her head at Xue Yu:

"No one responded...... There were no resources in it, and the ship mother who was locked up in it...... It's probably all completely deep-sea......"

Xue Yu nodded, beckoned the two members of his fleet, turned a few steps, opened the ship's load, and began to bombard the concrete door in front of him.

In order to prevent the collapse caused by the big explosion, several people first bombarded with secondary artillery.

The shells hit the concrete portal, and large and small clods of earth flew everywhere, and the concrete door became thinner and thinner, and finally a rather thick steel plate was exposed.

Obviously, the concrete is just a disguise, and the real door is still steel.

This steel plate is quite thick, and the secondary cannon in the state of the ship mother can't penetrate it, Xue Yu changed the main gun, and tried it on the iron door with a solid bullet without a charge.

"Flutter ......"

There was a muffled sound, and a thick pipe perforated in the iron door.

Xue Yu took a closer look, and the iron gate was at least 150 mm.

Xue Yu's main cannon slammed into the iron door, and continued to fire one after another, making more than 20 pipe perforations in a row.

Then the high-explosive shells, stuffed into those penetrating holes, and detonated at a distance.

There was a muffled sound of "boom", shrapnel and iron filings flew everywhere, and only half of the iron gate was blown up.

The surrounding mountain wall was shaken and a few rocks fell, but it did not cause the mountain to collapse.

When the dust cleared, Xue Yu took the light and shone into the cave, and looked inside, the inside of the cave was lower than the outside, and it seemed to be a natural mountain crack.

It should already be below sea level, and there is standing water everywhere as far as the eye can see.

The clutter of rocks blocks the view, and you can't see how deep the bottom is.

Snow Feather put in a few construction machines and let them go inside to find out what's going on inside the cave.

Xue Feng hid in a small crack, and his whole body sank below the surface of the water, clinging to the mountain wall.

Releasing a tiny periscope along the mountain wall, he watched the metal eight-legged robots, getting closer and closer to him, completely holding his breath.

"You can't expose things you haven't seen at all, and you can't leave them after they're gone......"

Yuki Yu arranged for the construction of a machine to probe the inside of the cave, and Yae Sakura kept an intently watchful eye.

After more than twenty minutes, Xue Yu sighed, shook his head and said:

"Inside, there should really be no one left, I found a broken iron cage, a fence, a stone platform with chains, and some deep-sea wreckage.

"There are traces of the battle there, and the ship's mother, who should have left last, killed the deep-sea ship's mother who was locked in it, destroyed the facilities, and sealed the gate."

Yae Sakura was suddenly deflated, lowered her head, and didn't say a word.

Xue Yu shook her head, beckoned her fleet members to come over, entered the belly of the mountain, commanded more construction machines, and began to plant explosives and prepare for blasting.

Hiding under the snow and wind, listening to the shipwrewn coming in outside, watching them drill holes in the mountain wall and connect the fuse, it quickly understood what these people were going to do.

"It's all normal ship girls.,And it's a ship girl who has nothing to do with the Izumo Admiral's Mansion.,It's really the other Admiral's Mansion that discovered Izumo's plan! Yae Sakura was really caught!

"They're going to blast this place! I can't hide anymore, or I'll be buried alive here.

"But if you go out in this almost completely deep sea state, you will definitely be attacked by them.

"It's a death left and right, there is no way, I can only fight!"

Xue Feng gritted his teeth and watched as Xue Yu's man entered the depths of the cave and floated silently.

Leaning against the wall, he cautiously swam out, and came to the entrance of the cave again.

Yukikaze crouched on the wall, and through the big hole in the door, he took a look at the situation outside, and there seemed to be no one around, as if they had all gone in to fill the explosives.

Xue Feng took a deep breath, grabbed the hole in the iron door with both hands and stood up, and looked out to make sure that there was no one up and down the hole.

Then he climbed out as carefully as he could, fell to the ground silently, and walked out lightly.

At that moment, a man suddenly jumped out of the bushes next to the mountain wall and went up to blow the snow wind to the ground.

"Oops......"

Xuefeng let out a low cry, struggling instinctively, but she didn't have much strength in the first place, and the strength of holding down her ship was surprisingly strong, and she couldn't break free at all, so she could only scream instinctively!

"I'm not the deep sea! I'm a ship girl! Don't fire! Don't fire! ”

Xue Yu chuckled, grabbed Xue Feng's hands, and pulled her up:

"Don't be afraid, we have no malicious intent, we know that you are not deep sea, and we also know that after the ship mother is deep-sea, it can still be recovered.

"I hid because I was afraid that you would escape, and if we wanted to attack you, we would shoot directly at you!"

In fact, when Yukikaze came out of her hiding place and moved towards the exit, Yukiha outside spotted her through the radar on the ship's installation.

Looking at Xue Feng's vigilant and abnormal situation, she was obviously worried that she would encounter a normal ship girl attacking her.

In order to prevent Xue Feng from being frightened and continuing to hide, Xue Yu did not rashly say hello, but hid, attacked suddenly, and finally successfully held down Xue Feng, who was about to slip away.

Xue Feng looked at the white-haired girl in front of her, with a natural smile on her face, and it seemed that there was really no malice:

"You ...... Which Admiral's Mansion is it from? ”

Xue Yu shook his head slightly:

"We don't belong to any of the Admiral's Mansions, we are from the Chinese Navy Command, I let go now, but you are not allowed to run, otherwise I will really fire!"

Xue Feng hesitated for a moment and nodded earnestly

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