After allocating the defense areas of each unit, the next step is naturally to build the fortifications of their own defense areas.
The reinforced engineer platoon directly under the regiment has a total of 50 people. Each of the four squads is responsible for the guidance and construction of the anti-slope tunnel for a defensive position.
Wu Chenghu, the engineer platoon leader directly under the regiment, saw the terrain and knew what the regiment's previous anti-slope tunnel training was for. It was completely prepared for this mountain defense battle. While marveling at the regimental commander's extremely precise preparations for rainy days,
While confidently shouting at several infantry company commanders who were one level higher than him, he led the soldiers to dig tunnels.
Except for the regimental commander, he is now the authority, no one can deny this.
The main position on the ridge line, that is, the top of the mountain, was also placed in front of the Great Wall by Liu Lang. In the era of cold weapons, sergeants could use the height of the wall stacks and the wall to kill opponents with bows and arrows as long as they stood on the city wall. But in the era of hot weapons,
It was a joke to put firepower on city walls in this era. Enemies with aircraft and cannons could turn city walls and people into rubble. Huge city walls were simply the best targets for aircraft and cannons.
In order to prevent being injured by the masonry splashed by the explosion on the city wall, Liu Lang had to push the main defensive position on the top of the mountain more than 20 meters forward, and took the initiative to blow up several gaps in the city wall to provide space for the top of the mountain.
The soldiers on the main position could quickly retreat to the tunnel behind the mountain.
However, when Liu Lang came back after inspecting the entire defense line and saw the trenches that the soldiers had just dug out in full swing on the main position on the top of the mountain, he not only shook his head. Is it basically a straight line of trenches that the Japanese invaders cannons would kill in groups?
?
They still have too little understanding of field fortifications. If they saw the Republic’s trenches on the Five Sacred Mountains twenty years later, which criss-crossed the trenches where even unfamiliar people would get lost, they would definitely be ashamed.
"Call all the company-level officers and above to me, and trench excavation will stop for now." Liu Lang ordered.
Before the officers gathered together, Liu Lang pulled out his military spurs and drew a simple layout diagram of field fortifications on the frozen hard ground. When he saw that everyone had gathered, he said: "Last time, I told you that ridges are important for counterattacks."
The importance of inclined tunnels is that the position on the top of the mountain is the ridge. In the back mountain of the base, the top area is only a few hundred square meters. It is okay for your trenches to be in the shape of a straight line with arcs, but the mountain here is slightly flat.
The slope of the top of the mountain and the hillside is extremely gentle. If the enemy attacks, you will lack sufficient depth, so we cannot follow the script, but should adapt to local conditions."
Seeing that several company commanders still looked confused, Liu Lang could only continue to explain patiently: "So our main position on the top of the mountain must also use sufficient defense in depth and carry out echelon layout. For example, Deputy Commander Chi
Luo Wenyu's main position is defended by one battalion and three infantry companies. So, on the first-line position, only one company should be placed..."
Liu Lang Junshang swiped up on the fortification configuration diagram and continued: "Push back thirty feet and use the slope to establish a second layer of defense. Here, put another company, which can not only protect the two wings of the position, but also serve as a second layer of defense."
A line of defense.”
"Regiment, I know how to protect the two wings of the position, but what's the use of keeping the reserve team?" asked Sheng Lei, commander of the fifth company responsible for the defense of Shanzhao Valley.
This question is a bit silly, but Liu Lang is not angry. Anyone who can become the commander of six infantry companies is regarded as the best officer of the independent regiment, but after all, many of them are only promoted from a small platoon leader or even a platoon deputy.
Since he got up, he is still new to the layout of the battlefield, otherwise Liu Lang would not have to give lectures on the battlefield temporarily.
"That's a good question." Liu Lang said. "Defending blindly is not a real defense. The real defense should be to defend while attacking. This company is left as a reserve team to prevent the main position from falling. We can do it at night
It is used to launch a counterattack to retake the position. During the day, the Japanese army has planes in the sky and artillery on the ground. We can't defeat them. In order to reduce casualties, we can retreat to the tunnel behind the mountain and use the position there to withstand them until they arrive.
At night, the Japanese planes cannot fly and the artillery has to be blinded. If we start a night battle, the Japanese may not be able to defeat us."
"In order to prevent the main position from being used by the enemy, remember that the depth of all trenches must reach 1.8 feet, plus the sandbags on the breastworks must reach 2 feet, and each firing position facing the enemy must have a sandbag not exceeding one-half foot.
There is no need for a high earth platform facing our position." Liu Lang continued.
"Team leader, why is this? We can't shoot in a 2-foot-deep trench when we can't even raise our heads! It's inconvenient to have a dirt platform to step on, isn't it?" A company commander asked in surprise.
"Let me ask you, are you taller or are you taller?" Liu Lang sighed.
"It must be because we are taller! Although the little devils are very stocky, their average height is a bit shorter than our soldiers. However, we are not even taller than those Sichuan recruits." Sheng Lei interjected.
"So! Think about it, our soldiers have to stand on that platform to shoot outside the trench. What if the little Japs who invade the trenches want to shoot at the second line of defense don't have a platform for them to stay on? You
Guess what their reaction will be?" Liu Lang laughed.
"Haha, then all they can do is jump around and shoot." Everyone burst out laughing.
Fatty Tuanzao's move was so cruel. Even if the first line of defense was lost, the Japanese who invaded the trenches would not be able to attack the second line of defense thirty feet away. However, the second line of defense could rely on its height.
Advantage, throw grenades into the trenches as much as you want, don't feel too happy just thinking about that situation.
"Tuan Zuo, can we take advantage of this and abandon the first line of defense from time to time, lure them in, and then try to catch a turtle in a jar?" He looked forward and suddenly suggested.
"The idea of moving forward is good, but you must pay attention when you actually operate it. Focus on the shell guns and flower traps issued to your company to annihilate the Japs who accidentally enter the trenches. Also, you must be prepared for the Japs commander to jump over the wall and make an unexpected move.
It doesn't matter how the Japanese died due to different shellings, but none of the officers and soldiers of my independent regiment are bleeding in their hearts." Liu Lang nodded and reminded with a smile.
"Also, the defenses of the three infantry platoons should be built in a curved ring shape and expanded longitudinally. Each ring should be connected by a communication trench, and each circular position should have a communication trench connected to the second line of defense, so that the first
After the first line of defense is lost, you can quickly retreat and rely on the second line of defense to block the attack. You don't have to worry about the two wings and hand them over to the second line of defense.
Moreover, several heavy firepower points of the company's machine gun platoon are placed in the bunker. It is forbidden to surround them with a few sandbags like them and think they are safe. The Japanese invaders' artillery is not a vegetarian. The top of the bunker must be covered with steel plates, logs and
The soil layer must be at least strong enough to withstand the Japanese 155 howitzers. The bunker's firing holes must be reinforced with cement and steel plates. At the same time, it must be ensured that there is no blind spot in front of the bunker that can be shot by our infantry. The bunker tunnel must be connected to the infantry trenches.
Can be evacuated quickly when necessary.
At the same time, individual soldier anti-aircraft holes must be built in the trenches, which must be able to defend against 81-caliber mortars. If during my next inspection I find someone who is lazy and does not dig the individual soldier anti-artillery holes of sufficient specifications, then don’t blame me, Liu Lang, for not giving me face.
You big company commanders were whipped naked in front of the soldiers, and those who refuse to change after being taught will be engaged in military law." Liu Lang explained seriously.
The reason why Liu Lang attaches so much importance to ground defense artillery is because according to post-war statistics, 60% of the 3 million casualties of the National Army were caused by various types of Japanese artillery, and hundreds of thousands of Japanese soldiers were killed in action.
Up to 70% of the people were killed by the artillery shells of the national army.
In this kind of mountain defensive warfare, howitzers and the like are not terrible. When the enemy does not attack, all troops will withdraw from the main position and hide in the reverse slope tunnel behind the mountain. They will wait until the observation post sees the enemy attacking before entering the top of the mountain.
position. On the contrary, direct-fire artillery such as mortars, which move and fire quickly, after effectively correcting the ballistics, can accurately send the shells to the trenches without hurting the soldiers they are attacking, so individual defense
Gun bunkers and anti-gun holes are both necessary.
"Yes." All the officers quickly stood up to attention and agreed in unison.
"Get out of here and repair your fortifications. As for who will be the front-line troops, who will be the second-line troops, and who will be the reserve team, I suggest you draw lots." Liu Lang was afraid and left directly.
Drawing lots? Is that okay? The company commanders looked at each other for a few seconds and then dispersed.
If you don't hurry up and do your work, if you get whipped on your naked buttocks by the regiment leader, it's really better to be punished by military law.