The officers and men of Jiang Zhengdao and the 3rd Battalion of the Railway Corps under his command were already very tired, and they did not stop repairing the damaged railroad along the way since they rushed to repair the Shaliyuan Railway Station overnight.

However, as soon as the train crew crossed the MiG-15 combat radius, the US air force fighters swooped down on them like locusts, but fortunately, at this time, the train crew had already entered the central mountain range of the peninsula under the command of Song Tianming, and under the cover of mountain tunnels, they stopped and went and played railway guerrilla warfare with the US planes in the sky.

But when they were about to drive out of the mountains and prepare to cross the Imjin River impact plain at night, they found that the previous US air raid could be regarded as harassment at best, because the real main force had already set up a posture over the Imjin River impact plain, waiting for them to drill headlong.

Faced with the posture of the US military aviation still opening its bloody mouth and waiting for the king to enter the urn, Song Tianming naturally would not just crash into it, it was not brave, but stupid.

Therefore, he could only command the train crew to temporarily hide in the mountain tunnel near the Imjin River impact plain, and wait for it to get dark to see if there was a way to rush over, perhaps because Song Tianming had lost patience with this trick, or the US army itself was ready to trap this batch of volunteer supplies transported forward.

At about 4 o'clock in the afternoon, the powerful US air attack group suddenly began to carry out a frenzied attack on the section 254 south of the train group's hidden tunnel mouth.

At this point, anyone with a discerning eye can see that the US military wants to use the mountain tunnel as the grave of the logistics troops of the volunteers, because as long as bombers are dispatched to throw napalm at the front and rear exits of the tunnel, the raging flames can instantly consume the oxygen in the tunnel, and the logistics officers and soldiers of the volunteers will collectively suffocate to death.

And the only solution is to drive the train out of the tunnel, it is impossible to go back, then the only thing left is to move forward!

……

"Hidden!"

Jiang Zhengdao raised his eyes to look at the sky that was gray with gunsmoke, suddenly shouted loudly, and pressed a small soldier beside him to the ground, and at the same time, there was a sudden roar in the sky, and then a US A-1 attack plane broke through the gray and black haze, swooped down at a low altitude, and smashed the two bombs under the wings against the railroad that had long been deformed......

"Boom~~Boom~~"

The two deafening explosions twisted and bent the broken railroad tracks, and at the same time, they also stirred up countless gravel and soil, which hit Jiang Zhengdao, who was hiding in the crater under the roadbed, was full of pain, but he couldn't care about these at all, shook off the gravel and dirt on his body, and knocked on the steel helmet on the head of the little soldier who had just been knocked down by him and ordered: "House!" Take the guy thing and keep up with me! ”

"Yes!"

Although the little soldier named House was a recruit who had just joined the army for less than a month, he was not ambiguous in his work, and when he heard the rumors, he carried hammers, wrenches and other tools on his back and followed Jiang Zhengdao out of the crater.

In the blink of an eye, he came to the side of the damaged railway section, Jiang Zhengdao, who had arrived here one step earlier, raised his eyes again and looked at the gray sky, and then ordered in a deep voice to the commanders and fighters of the 3rd Battalion of the Railway Corps who were surrounding one after another: "According to observation, the interval between each attack wave of the American devils is about 40 minutes.

That is to say, we must repair the railroad tracks at the mouth of the tunnel within half an hour, as long as our train crew drives out, the moths that jump up and down again are the grasshoppers after the autumn, and it won't be long before they jump, now according to the plan made before, the second company fills the crater, and the first and third companies immediately repair the tracks! ”

"Do you understand?"

"Got it!"

"Do it!"

As soon as Jiang Zhengdao beckoned, the three companies belonging to the 3rd Battalion of the Railway Corps started at the same time, and the soldiers of the 2nd Company unloaded the wooden planks behind them and quickly assembled large and small pyramid-like wooden frames in one bomb crater after another, while another group of soldiers took shovels and began to fill in the craters with wooden frames.

Soon the earthwork backfill operation of this simple civil engineering mixed structure was completed, and after the completion of the pillar next to Jiang Zhengdao, he curiously went up and stomped a few feet, and the result was that the soil that had just been backfilled was not only not stepped on, but the shaking foot was painful, and he jumped for a long time holding his foot before he was slightly relieved.

The cadres and soldiers who looked directly at the side laughed, and the veteran Xie Dayan, who was in his early forties, laughed loudly in a thick northwest accent: "You melon baby, at first glance, you are a recruit's egg, this kind of wooden frame supports the backfill of the crater, and even the 100-ton train set can withstand it, just your little feet with fine skin and tender meat, that may be stepped on?" ”

"I really didn't expect that such a simple wooden frame could support a seriously damaged roadbed, and reinforced concrete is nothing more than that, this time I have seen it!"

Sighing softly, the full name of the house is Fang Liang, after graduating from the civil engineering department of a university, he took the initiative to enlist in the army, joined the volunteer army to become an ordinary railway soldier, this time to support logistics and transportation is his first combat mission, because of this, when he saw the dilapidated railway line like the surface of the moon, a heart has already gone deep into the valley.

Because according to the knowledge of civil engineering he has learned, the three-kilometer road at the mouth of the tunnel is absolutely impossible to complete without a week's construction period, not to mention anything else, those dense craters are a lot of work, according to the estimation of the beams, only with ramming or concrete pouring can the roadbed be re-stabilized, otherwise the train passing through even if it does not derail, it will also lead to the collapse of the roadbed.

However, the battalion commander Jiang Zhengdao's request was to complete this section of the road within half an hour, and after hearing this, Fang Liang almost fainted in fright, and he knew very well the situation of the 3rd Battalion of the Railway Corps, there was no decent engineering equipment, no engineers with outstanding technical ability, and no solid material such as reinforced concrete.

Some of them are just not broad shoulders and a pair of hands that are not calloused, but counting on these is like grabbing the passage in a short period of time, he only feels that his battalion commander is simply crazy!

However, when he saw the process of the second company quickly backfilling the crater, he realized that Jiang Zhengdao really had crazy capital!

"There are some things that you can't see in books, and the crater backfilling of civil structures is only manual work......

Just when Fang Liang was stunned, Jiang Zhengdao had already taken the hammer and wrench from him, and as he spoke, he raised the hammer in his hand, and with only three knocks, he fixed a huge road nail and the railroad rail on the sleeper, which was fast and accurate.

The beam of the house has not seen very clearly, Jiang Zhengdao has finished beating the four road nails of a rail, and began to take the wrench to quickly twist four times at the junction of the two rails, and the four fixing screws firmly pinned the rails together, the whole process is smooth and fast, so that Jiang Zhengdao's work is finished, and the words are not finished: "Three hammers and one road spikes, and four wrenches to fix a rail, this is the technical work!" ”

Hearing this, Fang Liang's spirit couldn't help but burst for a while, looking at Jiang Zhengdao, who didn't breathe, and then looking at the commanders and fighters of the 3rd Battalion of the other Railway Corps, who were also calm and relaxed, and quickly constructed, Fang Liang's mind couldn't help but flash the words that Bai Yi said before leaving: "Railway soldiers? I know, that's a bunch of infrastructure maniacs! ”

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