March 20th, 10:00 AM.

After two days and two nights of intense work by nearly a thousand soldiers, the trenches and artillery positions outside Eagle Valley Pass were finally completed.

The main force of the Kachin Independence Army, led by Division Commander U Nuo, arrived at the valley entrance camp one after another.

Thus, apart from the first mountain mixed regiment that arrived first, all the other troops of the 1st Division also entered the mountains.

The entire division has more than 10,000 personnel, including an emergency-filled howitzer battalion.

In addition, there's the Mountain Eagle Special Forces, who have already entered the deep mountains to hunt down the guerrillas.

There's also the Black Hawk attack helicopter squadron, stationed at a mountain pass dozens of kilometers away, ready for action.

The forces attacking Eagle Valley are all in place...

Commander Dubois of the 1st Mixed Regiment spent four days and deployed a search team of almost a battalion.

They failed to eliminate the guerrillas in the mountains, and instead suffered over a hundred casualties themselves.

As soon as the Mountain Eagle Special Operations Brigade appeared, it fought several brilliant jungle ambush battles, annihilating most of the cunning guerrilla force in just 9 hours.

I heard that the remaining few guerrillas could only hide in the deep mountains, where they would eventually be wiped out by the eagles...

3.5 kilometers from the Eagle Valley Pass is the forward artillery position.

At this moment, on the position, 12 152mm howitzers and 36 105mm howitzers were arranged in three neat rows in front of the gentle earthen slope.

All the cannons were adjusted to the appropriate angle, solemnly pointing towards the valley fortress in the distance.

With its 152mm howitzer having an effective range of over 15 kilometers, this fortress was essentially right in front of the gun barrel and about to be bombarded.

Whether the blasts can effectively damage this concrete fortress that blends seamlessly with the mountain rock will only be known once the shells are fired.

"Commander, the artillery parameters have been adjusted and we are ready to fire at any time. Please give instructions!"

On the artillery position, Division Commander Wu Nuo, dressed in a Major General's uniform, stood proudly at the forefront of a group of officers, nodding with satisfaction.

He pointed to the towering Eagle Valley Fortress in the distance and asked:

"Can our artillery blast through this tortoise shell?"

The battalion commander of the howitzer battalion, a middle-aged man with a simple and honest appearance, paused for a moment upon hearing this, and stammered:

"Commander, this...this is hard to say."

"Huh? What do you mean by that?"

Wu Nuo stared at his face with displeasure:

"Does this mean that even with dozens of heavy cannons, we can't destroy a small fortress?"

The artillery battalion commander replied helplessly:

"Commander, if a 152mm howitzer is equipped with high-explosive shells, it can theoretically penetrate a 60-centimeter-thick concrete wall when fired in a straight line at a small angle, but..."

"But what? Stop dawdling and just say it!" Wu Nuo frowned impatiently.

"yes!"

The artillery battalion commander straightened his back and continued to explain from a professional perspective:

"But this is only theoretical, because it is 3.5 kilometers away from the fortress, making it impossible to take a low-angle horizontal shot."

"Furthermore, we don't know exactly how thick the enemy's fortress walls are."

"If the wall is more than 1 meter thick, it cannot be destroyed by a single 152mm howitzer shell. Only if 3 to 4 consecutive shells hit the same spot can it be penetrated."

After listening to the artillery battalion commander's analysis, Wu Nuo's face fell, and he snorted coldly:

"Hmph! I don't care what methods you use or how difficult it is, you must break through this barrier within three days."

"The first round of shelling will officially begin in one hour!"

After saying this, Wu Nuo, along with the group of officers who had accompanied him on the inspection, left without looking back...

"Yes, sir! I will certainly live up to your expectations and do my utmost!"

The honest-looking artillery battalion commander stood there for a long while after the division commander and officers had left, a hint of helplessness and bitterness flashing in his eyes:

"How many shells would it take to breach a single point every three days?"

"Besides, can't you see that this concrete fortress is integrated with the surrounding rock? Sigh..."

................................................

11:00 AM, inside the third level of the fortress.

Lin Dong and the Kun brothers were sitting together discussing the enemy situation.

Outside the fortress, a series of deafening explosions suddenly rang out.

"Boom! Boom! Boom..."

The sudden attack shook the entire sturdy fortress.

The violent explosion caused the teacups on the table to tremble slightly.

"The enemy has begun shelling. Except for necessary observation windows, immediately close all gun muzzles and firing ports."

Kunfeng jumped up from his chair in shock, quickly turned on his communicator, and issued the battle order:

"Everyone, return to your battle stations and be ready to engage in battle at any time!"

The shells bombarding the fortress continued to explode, and countless shells rained down, landing on the cement and concrete walls as if they were free.

The pass of Eagle Valley was shrouded in towering flames, with thick black smoke billowing into the sky...

The Kachin Army's offensive on Eagle Valley has officially begun.

The thunderous roar of artillery echoed throughout the valley, reaching even the anti-aircraft machine gun positions at Eagle's Tail Cliff, 5 kilometers away...

The first round of shelling stopped 25 minutes later.

The Kachin Independence Army's howitzer battalion unleashed a full load of shells at Eagle Valley Fortress in its first salvo.

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