"Huh? What are you? Li Yunlong only saw a small thing stuffed in Han Shuang's ears at this time.

"Radio communications." Han Shuang explained.

"Huh? Isn't radio only capable of sending telegrams? Li Yunlong was a little confused.

"You can understand it as a wireless phone." Han Shuang added.

"What's this thing for?" Li Yunlong's eyes began to light up again.

Han Shuang: "......"

"You see, since you are supporting us in the battle, we are also allies, aren't ......" Li Yunlong immediately said with a grin.

"The cannon has been fired!" Han Shuang's ears rang with the voice of the command headquarters.

"Cover your ears, everybody! Get down! Han Shuangmeng shouted, Li Yunlong was stunned for a moment, but he still shouted loudly for the first time, although he didn't understand a little, but most of the soldiers still obeyed the order and retracted the trench, covered their ears with their hands, and lay on the ground.

The 155-mm self-propelled howitzer regiment is not close to the battlefield, and they do not need to be so close to their range, and they also use the most common high-explosive shells, without terminal guidance, etc., to put it bluntly, they are the cheapest shells, if you have to compare them with the shells of this period.

Then there are only two differences, first, the power is one-third greater than the shells of this era, at least the little devils do not have artillery of this strength, the second range is much higher, and the third is that the speed at the end is also faster than the shells of this era.

The speed of cannon discharging in this era is about 500-600 meters per second, and the speed of the cannonball at the end is only about the speed of free fall, and the sound of this speed has long exceeded that of the cannonball, so the veterans of World War II can distinguish different types of shells just by listening to the sound.

In fact, when modern cannons are close to the ultimate range, the speed of the shell will also drop below the speed of sound, except for rockets. After all, shells, like bullets, will definitely decrease in velocity at the end as the range increases.

But shells are different from bullets, shells are parabola, and the ordinary shells of modern artillery are also adjusted by the parabolic firing angle, of course, this is only the most ordinary shells, in fact, many modern shells have a simple end guidance function, and even some shells can be laser guided, which are adjusted by the tail.

However, at the moment, the shells used by the artillery regiment should not have used these high-end shells, but only the most ordinary shells.

Almost not long after Han Shuang and they shouted, a sharp whistling sound suddenly came from the sky, almost the moment the whistling sound reached his ears, Li Yunlong's face changed instantly, but before the word "heavy artillery" in his mouth could be spoken, a terrifying explosion almost resounded through the heavens and the earth!

A terrifying flame instantly enveloped the green smoke on the other side of the attacker, and a large group of soldiers of the attacking Japanese army stopped.

The terrifying power instantly scanned everything within 100 meters of the shell's impact point! The body of the little devil who was close to the center of the shell explosion was directly torn to pieces by the shell, and the fragments quickly spread in all directions with the shock wave.

But this horrific scene is just the beginning!

"Boom!" "Boom!" "Boom!"

In fact, it was not an artillery regiment that opened fire, but only an artillery battalion.

But each artillery battalion of the Darkblade has a total of 3 companies, each company has 12 155-mm self-propelled howitzers, and modern self-propelled howitzers with self-loading shells can maintain a rate of fire of 8 rounds per minute! That is, every minute it will pour 288 large-caliber shells of 155 mm on the opposite side!

The absolute kill range of each shell is a circle with a radius of 100 meters, in fact, within a radius of 150 meters...... If you want to survive, you have to rely on great luck.

In other words, in 1 minute, an artillery battalion, if perfectly covered, can bombard an area close to 9 million square meters! That's 9 square kilometers!

The terrifying explosion resounded through the heavens and the earth, the whole earth was trembling, the heavens and the earth were roaring, the dust and dust raised by the explosion rushed to the sky, almost covering the sky [like a cloud pavilion ygxs.biz] air, the terrifying sound, the scattered dust, and the constantly trembling earth, so that everyone was crazy to lie in the trenches, covering their ears with their hands, and their bodies were arched and did not dare to move!

Everyone's brain is blank, and under this terrible artillery bombardment, human life is as fragile as a blank sheet of paper! Even Han Shuang was in the same posture as them in the trenches, with dust constantly falling on his body, and Han Shuang estimated that it was at least covered with a thick layer.

But I can hear it, and the sound of cannons is constantly extending into the distance!

It is naturally impossible for an artillery battalion to shoot at the same coordinates, according to the targets locked by the UAVs in the sky, coupled with the accurate calculations of modern fire control computers, an artillery battalion has already assigned targets at the time of firing, and began to extend fire to all targets!

……

Han Shuang and the others shrank in the trench and did not move, and at this moment, the 771st Regiment and the 772nd Regiment, which were not far from their new regiment, heard the whole sound, and the commanders of the two regiments almost went crazy!

"Heavy artillery! At least heavy artillery of 120 mm caliber or more! "The voice of the head of the 771st Regiment is trembling! They understand too well what heavy artillery means, but they don't have it at the moment, and the largest artillery of their Eighth Route Army or their brigade at the moment is nothing more than 75 mountain guns!

And they don't have many shells yet!

But this terrifying explosion made their bodies tremble uncontrollably, and a new ...... It's over! How did they not expect that the little devil on the opposite side actually had a heavy artillery with a caliber of more than 120 mm! With such heavy artillery bombardment on the position, they could already predict what the battlefield would look like.

"Report to the brigade headquarters immediately! Tell them about the heavy artillery attack on the new regiment! The 771st Regiment demanded that we take the position of the new regiment! The commander of the 771st Regiment gritted his teeth and still spoke loudly.

"Yes!" The herald immediately sent the order to the brigade headquarters.

At this moment, the 772nd Regiment on the other side is almost the same report!

……

On the side of their battle, on the position of the 358th Regiment of the Jin Sui Army, Chu Yunfei raised the telescope in his hand to check, and when the terrifying artillery began to roar, Chu Yunfei's face changed, "Where did the heavy artillery come from!" "Compared with the Eighth Road, Chu Yunfei, who graduated from the Whampoa Military Academy, understands the power of heavy artillery better!

So when the terrifying sound of the explosion came, when he saw the terrifying explosion fire and the gunpowder smoke and dust rising into the sky, his face was a little pale, which meant ...... Their nominal allies are in danger!

"Tell the Forward Observation Post! I want to know right away where the Japanese army came from! Chu Yunfei put down the telescope in his hand and asked loudly.

"Yes!"