Sky eye, ground network and shadow are all intelligence structures, but their responsibilities are different. The first two are external, the latter is internal, and there is no competition between them. However, the reputation of Tianyan and geonet is too high, and it is normal for dark film and television to be targeted.

Yin LAN didn't quite understand Tang Yin's meaning, but she could hear the warning in Tang Yin's words. She spat out her tongue and dared not speak any more.

Under the instruction of Tang Yin, Lotte and Aijia sent their own elite spies to the Chigou area respectively.

Chigou is the place name of a large mountain area in the north and middle of Chuankou county. It is a place with many mountains, dangerous land and full of jungle, which is really suitable for ambush.

The number of spies in the sky eye and the earth net is not small, but after entering the red ditch, I feel like the gravel has fallen into the sea, so small and insignificant.

Chigou mountain area is too large, and the jungle is too dense. It is no doubt like looking for a needle in a haystack to find out the enemy's situation.

Hundreds of spies spent five days and five nights in Chigou, but they got nothing. They didn't find any enemy or even personal shadow.

In the end, the spies of Tianyan and geonet could only report truthfully and failed to detect the enemy's situation. However, this does not mean that there must be no enemy ambush in Chigou area. After all, the places they have explored are very limited.

If the spies keep on probing, it is estimated that it will take several months to find out the situation of Chigou. Tang Yin doesn't have so much time, and the 200000 troops can't spend that long in Chuankou county.

On the second day after the information was sent back from the sky eye and the earth net, Tang Yin ordered the whole army to march in the direction of Chigou.

At the command of Tang Yin, the whole army moved up and down in unison. The Ninth Army and the new army left Tingkou and went to Chigou.

After the Feng army arrived near Chigou, the whole army settled down temporarily. Tang Yin called Qi Heng and Bai'an and Yan Yan, who acted as Liu Zhang's deputy, to discuss how his army could pass through the Chigou.

"The Chigou area is rich in mountains and jungles. It is easy to ambush. If an army wants to fight with our army, this is the best battlefield."

Moreover, they did not let Yan's road and Wang's road to tianzigou to explore the dangerous road

The map is very simple. It just marks the roads in the Chigou Valley roughly. In a few days, Tianyan and the earth network spies can not draw a more detailed map.

Qi Heng, Bai'an and Yan Yan looked at it carefully and nodded while listening to Tang Yin's explanation.

Tang Yin went on to say, "so, Chigou is not suitable for the army to March. I want the soldiers to pass through the red ditch in batches and in batches. Once any part of the army is ambushed, we can take care of it, so that the whole army will not fall into a passive position and be hard to care about."

"The king is right Qi Heng, Bai'an and Yan Yan believed that Tang Yin's words were reasonable.

Qi Heng volunteered to bow his hand and said, "my king, let the Ninth Army take the lead and pass through the red ditch first!"

Tang Yin laughed at him, shook his head and said, "on the contrary, I intend to let the new army brothers take the lead."

Qi Heng quickly asked, "king, why is this?"

Tang Yin said, "didn't I say that in the Chigou area, there are many mountains and jungles. If you meet the enemy, can your ninth army be able to give full play to its fighting power?"

Bai'an and Yan Yan nodded their heads. The former said, "the king is right. If you want to cross the red ditch, you have to use infantry to lead the battle."

Qi Heng glared at Bai an fiercely, and then said, "Your Majesty, you also said that Chigou is very easy to ambush. No one is better than our Ninth Army in dealing with ambush. The terrain of Chigou is so steep that if there is an ambush, it is impossible to deploy large-scale weapons. Therefore, ambush troops must rely on bows and crossbows to attack them. King, the Ninth Army should not give up! "

After carefully considering Qi Heng's words, Tang Yin felt that he was also right. If the enemy ambushed in the jungle, they had to avoid their spies. It was impossible for them to carry large equipment such as stone throwing machines and broken city crossbows. It was precisely these things that threatened the Ninth Army. If only some bows and crossbows were used to attack the Ninth Army, it would be like scratching one's boots without much harm.

Seeing that he had not spoken for a long time, his attitude seemed to soften a little. Qi Heng quickly said, "king, don't worry. This time, our Ninth Army is in the lead. If we don't meet the enemy, it's their luck. If we do, I'll lead the brothers to kill them all."

"Er," Tang Yin was still deep in thought. Qi Heng saw this and was so anxious that he blushed and his neck was thick. He continued: "king, aren't there many Rangers among the enemy troops? I think they are going to ambush them. There must be a large number of Rangers among them. With the heavy armour of our Ninth Army, how many rangers are not afraid to attack! "

Qi Heng was eloquent and asked to take the lead again and again. At last, he also said that Tang Yin's heart was alive. After thinking about it, the latter finally nodded and said, "well, Qi Heng, this time, the Ninth Army will take the lead in the battle. No matter whether you meet the enemy or not, as long as you can make a good start and lead the whole army to the red ditch smoothly, I will remember your great contribution. After returning to the capital, the official will resume his original post!"

Hearing this, Qi Heng's eyes were shining. He almost jumped to his height. He knelt down on one knee, joined in saluting, and cried out: "the king, don't worry. If you can't pass through the red ditch, you'll come back to see you!"Tang Yin looks up and smiles. That's what he likes about Qi Heng. No matter when and where he is, no matter what kind of opponents and enemies he faces, he can keep his fighting spirit high and full of confidence. His spirit of giving up others is revealed from his bones, which is also of great help to the promotion of the morale of the whole army.

He raised his head and said, "go ahead, I'll wait for your good news. By the way, more spies with the ground net can keep in touch with each other all the time. The Falcon who makes good use of the ground net can also serve as an early warning."

Qi Hengxi stood up with a smile, nodded heavily, and said, "thank you for reminding me. I will know." With that, he bowed his hand again, and could not wait to turn and walk out.

At Qi Heng's repeated request, Tang Yin decided to send the Ninth Army to pass through Chigou first. A hundred thousand heavily armed cavalry entered the rugged, narrow and complicated mountain road, and the distance between the head and tail troops was more than ten miles away.

Ye Tang and Gao Yu, two vice commanders of the Ninth Army, found Qi Heng and advised him that it was not proper to March like this. Their troops were dragged too long. Once a large number of enemy troops were encountered, the combat effectiveness of the whole army would not be able to play. They proposed that the whole army should march in echelons with corps as the unit.

Qi Heng didn't care. First of all, he didn't believe there would be an ambush in Chigou. Secondly, even if there was an ambush, he was not afraid. The Ninth Army was heavily armed with cavalry. Even if it was not suitable for cavalry in the middle of the mountain road, the heavy armor was still there. What could the enemy do to them?

However, at the repeated requests of Ye Tang and Gao Yu, Qi Heng finally divided the Ninth Army into three echelons: the first to the third Corps was the front army, the fourth to seventh Corps was the central army, and the eighth to tenth Corps was the rear army.

He wanted to lead the front army to lead the battle, but ye and Gao refused. He was the commander in chief of the whole army. He should be in charge of the central army and command the overall situation. How could he lead the battle?

Qi Heng had no choice but to agree with them and let Ye Tang lead the front army and Gao Yu command the rear army, while he stayed in the central army.

The Chigou area is too large, and the roads are not easy to walk. According to the speed of the Ninth Army, it will take at least three days for the whole army to pass through Chigou.

The first day's march was calm, but there were still casualties in the Ninth Army. It was not because they met the enemy, but because the mountain road was too difficult to walk. If you were not careful, you would fall off a horse or even fall off a cliff.

The brothers below did not die on the battlefield with great vigour, but they were damaged by such a meaningless accident. After careful study, Qi Heng came up with a good idea.

He asked the officers and soldiers to unite a small group of people with ropes, so that even if someone accidentally fell off the cliff, other brothers could hold him.

On the second day of March, Qi Heng's method was immediately effective. The Ninth Army's officers and soldiers did not fall off the cliff again. After receiving the rewards from all the regiments, Qi Heng was very happy and proud. His mind was also very bright. Who would dare to say that he was just a brave but resourceless warrior?

There was no word on that day, but the third day.

By this time, the Ninth Army had passed most of the way to Chigou, not to mention the ambush. Along the way, they did not even encounter a ghost. If we go on at this speed, we will be able to walk out of the red ditch at noon tomorrow.

Qi Heng was in a good mood and sent a message to Yetang of the former army to speed up his march. Before noon today, he had to pass through daheigu in any case, and reminded Ye Tang to be more careful.

Dahei Valley is located in the south of Chigou. It is a grand canyon with mountains on both sides. It is also the most suitable place for ambush.

When there was no war, it was not peaceful here. Mountain bandits and horse thieves were hidden and passers-by and caravans were robbed. Now that the Ninth Army passes through this place, of course, they are not afraid of mountain bandits. However, the enemy may also ambush here.

Even without Qi Heng's warning, ye Tang will bring up the spirit of twelve points when you go to a place like daheigu.

First, he let the Scouts of the ground net let out the falcons to see if there were ambushes on both sides of the canyon. Then he sent a small group of cavalry to cross the canyon first.

The spies of the ground net did not find out the enemy's situation, and a small group of cavalry passed through the canyon safely. At this point, ye Tang ordered the former soldiers to march at full speed and rush through at the fastest speed.

In the middle of the canyon, people can clearly feel that the light in front of them is dim, and the mountains on both sides completely block the sun. This place is called the great black Valley, just like its name.

When he led three regiments through Dahei Valley, ye Tang's heart hung in his throat from the beginning to the end. After all the former soldiers passed through, he was relieved. It seemed that the king was really worried. He didn't even ambush the local security forces. There must be no ambush soldiers in Chigou.

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