Deng Jiegan was quite decisive in his decision, but he was very careful about this action. This time, unlike the last time, the other side had only 4 fleets escorted by the other side. As long as the first wave of saturation attack torpedoes, the four escort fleets were basically severely damaged, which solved the problem. Now, two heavy patrols, four light patrols, and 12 escort destroyers have a huge fleet. Even if 31 submarines gather together, it is impossible to kill them at once. Even if there are many submarines, it is not possible. After all, with many warships, there will definitely be some omissions. The more fleets, the more unexpected scenes there will be. For submarines, the fault tolerance rate is quite low. Any omission may cause devastating consequences.●⌒,

Then we must make a choice. Among the reports sent back by the reconnaissance aircraft several times, Deng Jiegan was very clear that the two heavy patrols should be Minotao-class armored cruisers built by the British Navy in 1905. There are complete pictures of various types of British warships. In the current era when dreadnoughts and war patrols act as the main force, such armored cruisers of nearly 15,000 tons have basically become the masterpiece.

However, it is undeniable that the two such ships are powerful. In the time and space of Yang Yuanzhao, during World War I, these two heavy patrols participated in the Jutland Naval Battle. Although they did not play much role, the glory of the armored cruiser, the once strongest cruiser in the British Empire, was supported by them. Since construction started in 1905, it has not been particularly out of date in the past 10 years. Britain has maintained a long-term strength on the warships.

The power of the two equipped cruisers is sufficient, and they are threatening to many cruisers, unless they encounter the nemesis war cruiser, but for submarines, the deterrence is almost equal to zero. Therefore, in terms of choice, Deng Jiegan almost naturally gave up the first wave of attacking him. Choose the first wave of attack boats, and they escort the fleet angle. The maximum number of attacks in the first wave is about 10, which means the attacks of the 8 warships that must be abandoned.

If you cannot hit the opponent hard at the first time, you must withstand a wave of counterattacks from the opponent. At this time, what restricts the power of the submarine is not the number of torpedoes, but the angle. This must be considered, and the combat plan must be the most stable. The two equipped patrols occupied two places. Next, between the choices, two of the four light patrols also occupied two places. Compared with the threat of destroyers to submarines, the light patrols were slightly worse. The most important thing is that these two light patrols are still a little older. Although the launch pads equipped with deep-water bombs, the number is not right, which is much worse than the other two newcomers.

As for the choice of destroyers, there is not so much hesitation. First, determine the plan, and then adapt to the situation and fight as you can smoothly. As long as the first wave of attack is realized, you should be able to push it step by step.

In 15 minutes, the combat plan was sent to everyone before. The fleet's attack position was limited. The first wave of attacks would only use 21 submarines. They were the most saturated attacks. The remaining 10 were ambushed and blocked when the opponent made a counterattack, confusing their audio-visual. In more than three hours, Deng Jiegan and the staff in the rear deduced more than ten plans. The final plan cannot be said to be perfect, but the best results were achieved while ensuring safety as much as possible. As for the specific situation, it depends on adapting to the war.

The calm sea surface is calm and the waves are quiet. Today is a good weather. Unlike the rainy weather, the visibility is not high and easy to hide. In this weather, the submarine may be a little shallow, and the naked eye may see through the water layer. However, the Qin-class submarine uses some materials, which makes it difficult for him to be exposed in the calm water surface.

The radio waves were constantly transmitting below the sea level. The first wave of 21 submarines had already been in place. Although the fleet was flowing, the position of the escort fleet was relatively fixed. The 21 submarines were in place one after another, and the closest one was even only 200 meters away from the warship. Of course, his target was not this warship, but the one more than 400 meters away. Although, in the first wave, the big guy in the escort had been removed, his huge body, with a huge length of more than 100 meters, was still very conspicuous.

One ship after another was in place. There was no change in the periscope observed from a distance. The fleet was moving forward slowly. In these few minutes, in anyone's mind, he felt like he was living like a year. Finally, of course, the last submarine was in place. In order to avoid the long nights and dreams, Deng Jieqian decisively issued the launch order.

The radio waves took only a few seconds to be sent to every attack submarine. Of course, the reconnaissance planes that also connected to this channel also heard it. Herbert was excited. After hearing the telegrapher's report, he said loudly: "Go quickly, go quickly!"

I don't know that it was the captain who was also anxious. The force was turned on in an instant. The reconnaissance aircraft quickly started to accelerate from a speed of about 180 kilometers, and quickly accelerated to a speed of 540 kilometers, 50 kilometers, and at most it could fly over the combat waters in 6 minutes. Even due to the air, they could see the battle situation on the opposite side after 4 minutes, provided that they used special optical reconnaissance equipment on the reconnaissance aircraft.

Today is a good weather, and the entire sea area is cloudless. Although it is not the best weather for submarine attacks, it is really a good weather for observation, and there is no cloud cover. Because the first wave of attacks has begun, the reconnaissance aircraft does not even have to be raised to more than 6,000 meters of the air, but gradually downward and lower altitudes can be seen more clearly.

The reconnaissance plane is approaching quickly, but it takes at least 4 minutes to reach the position you can see. For submarine sneak attacks, not to mention 4 minutes, 1 minute is an extremely long time, and the battle may be decided in a very short time.

The first wave of 21 submarines only fired 84 torpedoes, and 6 launch tubes were not all launched. The reason is very simple, the shooting range is not enough. The experience I gained a day ago has a deeper understanding of the movement trajectory of the escort fleet and does not use the range to increase the hit rate. This saves at least more than 40 torpedoes. This is an unimaginable ship group. There are 60 ships of all sizes. The more torpedoes saved, the more likely they will produce results in the subsequent rapid attack.

Like before, no one discovered the submarine before launching, but this navy seemed to be more well-trained and at least responded much faster. It was not like yesterday. When the torpedo hit the warship, there was not much change. Before the torpedo began to be launched, there was a change. They heard the sound of torpedo launching in the sonar. The reason is very simple. To put it bluntly, this naval fleet was controlled by the entire British army, while the previous fleet was the US military. Britain and the United States were both maritime powers and had maritime traditions, but in terms of strength, the British still had the upper hand.

At least 10 destroyers responded. Even if it was impossible to determine whether it was a submarine or a torpedo, they had already accelerated their speed. It has to be said that their reaction was very fast. Unfortunately, the speed of the flying fish torpedo was far beyond their imagination. At a high speed of 65 knots, within 1,000 meters, it may only take a few seconds. At this time, even if the destroyer accelerates how much it can accelerate, the torpedo also considered some advance amount when launching. None of the 10 targets targeted escaped the attack of the torpedo. At most, it was the key position, but now it has become another position.

84 torpedoes hit 33, of which 10 destroyers hit 28, and 5 hits the merchant ships that are close to you. The sudden attack made the entire fleet mess, but the only chaos was only the merchant ships, and there were 8 warships, and two of them were hit by the torpedoes, but they were not very serious. They could also move the destroyers and immediately start looking for the target of the attack.

No matter how the sonar is listened to, the sound of Qin-class submarines is less than 110 decibels, and the deliberately slow speed is reduced to about 100 decibels, which is somewhat beyond the exploration range of the first generation of sonars in the United States. Although they knew they were attacked by submarines, they didn't know who the other party was. They dispersed to destroyers and could only throw deep-water bombs in areas where they might appear.

It has to be said that this escort fleet is quite excellent in anti-submarine configuration. The destroyers are all sized by 8 deep-water bomb launchers. In just one minute, at least 1,000 deep-water bombs were projected in the 500-meter area.

However, they still made a mistake. After they accelerated, they threw deep-water bombs at a distance of 1,000 meters from the ship. However, the submarine controlled to a considerable level due to its sound. The nearest one was less than 200 meters away, and the farthest one was not more than 600 meters. After the attack, they took the initiative to go below the ship, the most dangerous and safest place, where no one would throw deep-water bombs.

It is precisely this arrangement that allowed the first wave of attacking 21 submarines to avoid the attack of deep-water bombs. Otherwise, with the crazy spirit of the opponent launching deep-water bombs, there might be a little bit of collision.

However, in this way, the 21 submarines responsible for attacking have no way to attack the second wave. After all, the current fleet is like a furious cat, and any movement will alarm him. The advantage of the submarine is to attack sneak attacks, and no longer directly attacks. The destroyer and the submarine have obvious imbalance. If the destroyer really spreads a deep-water bomb array, the submarine will be really unlucky. To be continued.

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Chapter completed!