Hearing this, Colonel Slane and Colonel Becker couldn't help but be stunned.

The next second, Colonel Slein agreed: "This seems to work, we are in the upper reaches of the middle section, drop the shells from us, and in a few minutes we will reach the middle section......"

With that, Colonel Slain turned to Colonel Becker and asked, "Do we have a time-delay fuse?" ”

"Of course!" Colonel Becker replied: "We have a lot of anti-aircraft artillery shells, and of course there are also time-delay fuses!" In addition to this, we have time bombs, and we can also have a fuse, as long as we calculate the length! ”

Then, without saying a word, a few men went out of the headquarters and into a turret located on a high place for easy observation.

When I raised my binoculars and looked through the observation hole into the middle of the river, I saw that the US military was using amphibious landing ships to transport ammunition back and forth.

Colonel Slane ordered: "Measure the flow of the lower river!" ”

"Yes, sir!" Colonel Becker answered and went down with his adjutant.

Not long after, when Colonel Becker returned, he reported: "The river flows at a speed of 5 m/s, and it takes six minutes to reach the middle section!" ”

"Test it with a few shells!" Colonel Slein ordered.

"Yes, sir!" Of course, this matter is Colonel Becker going to Zhang Luo again.

The method is as simple as attaching a delay fuse to the shell, setting an estimated time, tying the shell to a piece of wood to levitate in the water, and then sliding it into a more turbulent area of the river through a slide rail to let it flow downstream.

It took Colonel Becker and his men less than ten minutes to make these five shells and slide them off the battery into the river.

A few staff officers around him held a stopwatch to time the time, and Qin Chuan and Colonel Slane held binoculars and stared all the way down the river...... Due to the heavier shells and lighter stakes, the shells were perfectly submerged in the water and only the upper stakes were exposed, and no danger was visible from the surface, except that occasionally a roll in the current would expose a part of the shell.

But who would pay attention to these stakes, and more importantly, even if they knew, they couldn't do anything about it...... Because then "stakes" like this will go downstream in large quantities, and no one will be able to stop them.

Two minutes later, the "cannonball stake" disappeared from sight with the turn of the river, but several people continued to observe with binoculars in their hands.

Colonel Becker asked in a somewhat anxious whisper:

"Where's it? I can't see it anymore! ”

"A few minutes?"

……

Finally, the staff officer looked at the stopwatch and began the countdown: "Ten, nine, eight......"

When the count reached 1, only two "booms" were heard, followed by several explosions, and the shells exploded one after another near the middle section of the river, but the speed of the water was somewhat inconsistent, some were close and some were far away, and only one shell exploded at the exact position.

The U.S. troops, who were transporting supplies back and forth, were a little baffled, because they did not hear the whistling of shells but exploded.

But this is a battlefield, so after a little commotion, no one takes it seriously.

"The hit rate seems to be a bit low!" Colonel Becker was a little frustrated: "Not a single amphibious landing ship failed to hit!" ”

"Stupid!" Colonel Slein said: "That's because we only have five shells that have drifted down, what if it is a hundred, two hundred, or even more?" ”

Colonel Becker couldn't help but let out an "oh", and then replied excitedly: "I'll arrange it right away!" ”

"Wait!" Qin Chuan stopped Colonel Becker, who was about to leave: "We should set the time in order!" ”

"Set by turn?" Colonel Becker was somewhat puzzled by what this meant.

"Yes!" Qin Chuan explained: "Set one or two seconds more for the front ones, and one or two seconds less for the rear ones, so that they can cover an area!" ”

Colonel Becker quickly understood this truth, nodded and said, "Understood, Lieutenant Colonel, very good way!" ”

After Colonel Becker left, Colonel Slain exclaimed, "Very good way, Lieutenant Colonel. As a result, it will be difficult for the Americans to transport ammunition and fuel to the Moselle, which means ...... The armored units that penetrated deep into the hinterland of our army will not only not be able to capture the island of Chambir, but will be surrounded by us due to lack of ammunition! ”

Saying that, Colonel Slane shook his head and smiled: "I ran into you, it was Patton's bad luck!" ”

"Colonel!" Qin Chuan said: "We may not be able to succeed yet! ”

"Please, Lieutenant Colonel!" Colonel Slein said: "This is not a place for modesty, the Americans are in trouble!" ”

Colonel Slain was right that the Americans were in trouble.

Because this kind of "stake shell" is very convenient to make, the required materials can be found everywhere, and even ammunition boxes can be used as raw materials, and a group of cadet soldiers can be called to make hundreds in less than half an hour.

Then the first batch of 100 shells was smoothly "launched" and flowed downstream down the river...... Just like Qin Chuan said, they set different times.

The exact amount of time is calculated, and the calculation method is very simple, that is, the speed of the water flow and the distance of the river.

Because of the varying length of delay, some shells will drift farther and explode while others will explode closer, and the speed of the water will vary so that a stretch of river surface can be covered rather than concentrated in one place.

As the countdown of the staff officers began, the atmosphere became tense again, and only Qin Chuan felt that it didn't matter, because he felt that it was just a matter of another attempt...... If the detonation time is too early or late, you only need to adjust the delay time of the shell.

Then, only a few explosions were heard...... There were a few exceptions, apparently someone had not adjusted the delay time when operating, and it was a full seven seconds ahead of the fastest detonation time.

The American soldiers, who were busy transporting on the river, also found wooden stakes floating on the river...... patches of wooden stakes, which in itself are eye-catching.

"What's that?" An American soldier asked.

A U.S. military officer leaned out and pulled down the stake, noticed that the weight was wrong, flipped it over, and found the shell tied underneath.

The officer's eyes widened, and the next second he shouted: "They are cannonballs, get out of here, get out of here!" ”

But it was clearly too late to realize it.

"Five, Four, Three......"

The countdown soon came to an end, and shells exploded in the water, blasting amphibious landing ships loaded with ammunition and fuel into the sky as they lifted up columns of water.

Some of them were also killed, bursting into flames on the surface of the river, and the oil that leaked quickly burned the entire river into a sea of fire.

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