It's just a pity that Matsui Ishone, the lieutenant general of the 6th Army, was seriously injured before he even saw the enemy's face, with multiple fractures all over his body, and was doused by the seawater, he couldn't help coughing hard, and coughed up a mouthful of blood, which should have been broken ribs and punctured his lungs, but the sailors had their own posts, and no one cared about him, and the battleship had not entered a state of readiness during the night march, and was suddenly attacked and was in a hurry for a while, let alone paying attention to a lieutenant general of the 6th Army.

Matsui Shigen rolled to the side on the bumpy staircase with great difficulty, and clung to the railing, for fear of being thrown off and falling to the deck again, if so, I am afraid that this life will have to be explained, and the sound of explosions one after another completely blinded him, how could the people of China have a navy and combat effectiveness to be able to sneak attack the imperial navy.

The fire was blazing in the distance, and he didn't know that it was the last performance of the cruiser "Gagu" in the world, and the raging fire burned into the ammunition compartment, causing a terrible explosion, and the entire hull was blown in half, thrown into the air and fell heavily.

The observation sailors on the bridge saw this scene that stunned them, and they didn't understand what was happening in front of them, but as the commander of the fleet, Admiral Kato Kanji understood that this was a submarine of the Shina people, and the bigwigs of the staff headquarters had extreme contempt for submarines, even if they had suffered big losses in front of them, they did not pay enough attention to it, and now in the face of this situation, he scratched his head very much, there are only three destroyers in the fleet dedicated to anti-submarine use, and the rest are mostly cruisers with heavy firepower, And the battleship with big ships and huge guns, after all, this is a big fleet, and an elephant is really helpless in front of a group of ants.

Captain Yamamoto Fifty-six of the "6 Ao" also officially heard about the submarine from the beginning of the Battle of Songhu, and at first thought that it was the vanquished who deliberately exaggerated its surprise attack ability in order to shirk responsibility, but now he was also stunned by the terrifying scene in front of him, and in just a few minutes a heavy cruiser exploded and disintegrated in front of him, this combat effectiveness is simply terrifying, and what is even more terrifying is that this weapon is hidden under the surface of the sea, and there is no way to detect it in advance. Even in battle, if you don't have enough equipment, it's hard to track the blow and destroy it.

Under the cover of night, even the periscope they used to observe the target is difficult to appear, Yamamoto 56 after hearing about the defeat in the Battle of Songhu, specially visited a submarine bought by Germany, this submarine is quite rudimentary, the only weapon is torpedoes, and this kind of underwater ship failure rate is extremely high, if you want to attack the target, you must use the guò periscope to track and observe continuously, and then calculate the channel of the target ship, as well as the angle and advance of your own torpedo, It takes a lot of preparation before it can hit the target.

During this period, as long as it is discovered, the vulnerable submarine will immediately become a target and become vulnerable, so Yamamoto Isoroku has concluded that this kind of underwater ship is only suitable for a one-time sneak attack, and it is impossible to hit large ships on the surface.

But tonight's facts proved that his idea was outrageously wrong, this fleet with more than 100,000 tons of warships suffered fatal blows one after another, while the fleet was helpless; in fact, the submarines of the Suidong Navy were far ahead of Yamamoto 56's German-made submarines in terms of technological advancement, and they were able to attack surface ships on fixed routes without constant observation through a complete set of complex surveying and calculations.

The funds and technology of the Suidong Navy have always been supported by Wu Xiaoliang's shipping company, and it can be said that Wu Xiaoliang understood that with the sensitivity of Suidong's geography, it was almost impossible to build large surface warships, so he took the sword and went off the rails, and began to research and manufacture submarines in large quantities ten years ago, and established a submarine officer school.

And Wu Xiaoliang was waiting for the moment when Japan increased its troops from the sea, and he wanted to completely wipe out this additional force at sea in order to achieve a deterrent to the Japanese army, of course, this was only the beginning of his plan.

Hundreds of submarines and more than a dozen submarine groups of the Suidong Navy have been dispatched to the Yellow Sea and the East China Sea in the Sea of Japan to indiscriminately attack all surface ships flying the Japanese flag, that is to say, Wu Xiaoliang intends to use this underwater wolf pack to completely cut off Japan's sea supply lines to China's big 6, and even if it cannot be completely cut off, it will suffer heavy losses, so as to contain the military operations of his Japanese troops in China.

This kind of plan is still Wu Xiaoliang benefited from the naval tactics of Nazi Germany in his previous life, this wolf pack tactic once brought severe losses to the sea supply lines of the British and American allies, the Chinese navy was not enough to resist Japan, and the 6th Army was even more vulnerable, so it was forced to choose indiscriminate attacks.

Indiscriminate attacks mean that not only combat ships, but also civilian ships, will be sunk as long as they fly the Japanese flag, and in this way, civilian casualties will be caused, but Wu Xiaoliang knows the Japanese nation too well, and it is not so much that Japan's aggression against China is the goal of Japanese militarism's ambition, but rather that Japanese soldiers lead the Japanese people to carry out military, economic, and cultural aggression against China, and every Japanese who came to China in Japan's war of aggression against China was directly and indirectly invading this weak and ancient country.

Therefore, Wu Xiaoliang understands that sympathy for these people is cruelty to the vast number of suffering compatriots, as for the pressure of public opinion from the international community, it has always been a fart of existence, Japan's previous invasions of China, and the lessons given to Japan by world public opinion are only words, only the fist is hard enough, and the knife is sharp enough is the last word, so he chose to ignore international public opinion, China and Japan will fight sooner or later, rather than waiting for Japan to be ready to go to war again, it is better to drag it into the quagmire of this war if it is not fully prepared. Drag him to death.

The wolf pack tactics began with the task force of Admiral Kato Kanji, and two more cruisers were heavily damaged, and Yamamoto 56 was in a hurry to scream, and destroyers with anti-submarine equipment were sent to both sides of the fleet to search for submarines, but because the number of destroyers was too small, and the anti-submarine training was insufficient, it was difficult to say how much it could do in this extreme environment.

As time passed, warships were torpedoed one after another, explosions came and went, and even the "6 Ao" was hit by two fish one after another, and the large battleships of tens of thousands of tons relied on were very thick in armor and had many water compartments, so as long as they did not hit the vital points, they would not cause irreparable losses.

But going on like this is not a long-term solution, what should they do?

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