The next day, Zishi.

Nine black figures jumped out of the window of the inn one after another, heading towards the Xuanwu City Explosives Research Institute.

Soon, Silver Snake and the others arrived outside the Explosives Research Institute. Not far from them were hundreds of guards holding bolt-action rifles.

Although with Silver Snake's lineup of five master fighters and four peak Huajin fighters, it is completely possible to kill these guards, and then enter the explosives research institute openly to search for information.

But don't forget, there is more than one Martial King in this Xuanwu City!

Moreover, after Su Chen killed the man in the Xuanpao, the security of Xuanwu City was obviously more stringent.

If Silver Snake and the others really took action against these guards holding bolt-action rifles, then all that awaited them was death!

Just when Silver Snake and the other five master fighters were about to fly into the explosives research institute from the blind spot of the guards in the sky, they stopped suddenly.

Silver Snake looked solemnly at the figure that suddenly appeared on the top of the Explosive Research Institute more than a hundred meters away.

He found that he couldn't see through the opponent's cultivation!

"That person's cultivation is at least a martial artist!"

Silver Snake said cautiously.

Fortunately, the owner of that figure just happened to appear on the top of the Explosives Research Institute, and the nine people were not found.

The lone wolf said: "So, the plan to fly over won't work."

Silver Snake nodded and said: "Yes, all our next actions cannot produce any energy fluctuations, and can only be carried out with the strength of our own physical body."

"In this way, as long as we don't take the initiative to expose the eyes of that strong man, otherwise with our ability, he will not be able to actively discover us."

"Now, we can only use the old method to sneak in."

The other eight nodded without any objection.

After confirming the infiltration plan, none of the nine people acted rashly.

According to Yin Snake's thinking, even if the other party's cultivation base is strong, the other party will inevitably feel sleepy when a person like Zi Shi is the most sleepy.

And as long as they enter the Explosives Research Institute with their physical strength as quickly as possible when the opponent shows their flaws, they can avoid the opponent's detection.

It was a coincidence that the nine people had come to the explosives research institute many times before, but none of them met this strong man whose cultivation level was at least that of a martial artist.

But this time when the defense was changed, the opponent appeared.

In Silver Snake's mind, there was another guess, that is, this strong man did not come here to garrison, but just passed by here, resting here.

If this conjecture is correct, then this strong man whose cultivation level is at least that of a martial artist may leave by himself in a short time!

Swish!

At this moment, that figure suddenly disappeared, just like when it appeared without warning.

Seeing this, Silver Snake was overjoyed.

But he didn't tell his teammates his conjecture, but still carefully chose to sneak into the explosives research institute in an ordinary way.

After all, if his conjecture is wrong, then flying over will definitely kill everyone!

Under the negligence of these guards, the nine shadows quickly passed through the air and escaped into the explosives research institute.

Immediately afterwards, the nine shadow soldiers divided into three groups, heading towards the experimental area, the research area and the rest area respectively.

In a quarter of an hour.

The three Silver Snakes who were in charge of searching the experimental area turned into black shadows again and escaped from the Explosives Research Institute.

Not long after, the other two teams also left.

After returning to the inn, the nine people reunited.

"The parameters are obtained, and they are in the experimental area."

"However, this time I didn't transcribe, but took the original manuscript back directly. So we may have to leave Xuanwu City now, before the people from the Explosives Research Institute find out!"

Silver Snake took out a scroll from his bosom, waved it in front of everyone's eyes, and then said solemnly.

The other eight people all nodded.

They abandoned their disguised identities, and left Xuanwu City overnight with all the information they needed.

In fact, this task is not difficult for Yin Snake and others.

Under normal circumstances, Yeying only needs to send a three-person team for this level of reconnaissance mission.

The reason why Ye Ying sent a nine-member team was because there was a Martial King in Xuanwu City.

Although having six more people does not allow them to resist King Wu, the six more people represent an extra chance for them to go back with information!

Yes, for these iron eagle warriors, the important thing is not whether they can survive, but whether their mission can succeed in the end!

After another half month, the Nine Silver Snakes finally returned to the headquarters of the Black Ice Terrace in the Imperial City.

In the more than a month since Yin Snake and others left, the national strength of the Valkyrie Empire has been improving with each passing day.

Under the overtime work of the Ministry of Labor this month, the entire imperial city defense force has been equipped with semi-automatic rifles and sufficient ammunition. The major armies.

In addition, the Ministry of Industry has also successfully produced samples of TNT explosives.

After receiving Su Chen's confirmation, the Minister of Industry began to order to speed up the production of TNT explosives.

At the same time, the Ministry of Industry is also arranging scientific research personnel to produce specific drawings of war weapons such as TNT explosive packs, TNT shells, TNT grenades, and TNT mines that Su Chen mentioned earlier.

These weapons of war seem to only need to add some shells to the TNT explosives, but their specific operations are not limited to this.

The structure of the grenade made of TNT explosive is extremely complicated.

Parts such as detonators, firing pins, firing pin springs, safety pins, safety lifters, flash caps, fuses and other parts inside the grenade, as well as the equivalent of TNT explosives that need to be filled, all need to be precisely measured and calculated. .

Therefore, the research and development of these weapons cannot be completed overnight.

Although Su Chen has previous experience, don't forget, Su Chen is a liberal arts student!

It was good enough that he could roughly remember the structure of the grenade. Without the blueprint provided by the system, it was impossible for him to accurately say the specific size of these parts and the equivalent of TNT explosives loaded.

The imperial palace, the imperial study room.

The scroll about the parameters of the Xuanling Empire's explosives brought back by Yin Snake and others was sent to the imperial study.

After Su Chen opened the scroll, he compared the above data with his own TNT explosives.

Soon, Su Chen was beaming with joy.

I saw that in terms of the parameters of the two copies, the TNT explosives of the Valkyrie Empire were more than twice as high as the explosives of the Xuanling Empire, and the stability of the TNT explosives before exploding was also much higher than the explosives of the Xuanling Empire.

In other words, when the two explosives are at the same high temperature, the TNT explosive of the Valkyrie Empire may still be able to maintain stability, while the explosive of the Xuanling Empire is likely to explode directly!

I just heard from the editor that this round of PK lasted until Saturday. So I still have to ask everyone to recommend tickets these days, thank you!

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