It is like many stories. It is a real event. It happened between Britain and Germany during the First World War.

During the First World War, not only new weapons such as heavy machine guns, long-range heavy artillery, tanks, and airplanes were added, but the participating countries also used submarines, which made people more painful. The dead poison gas, such as chlorine, carbon hydroxide, mustard gas, etc. The use of poison gas makes people horrible after torture. It not only devours the victim’s body and spirit, but also causes great psychological fear to others.

Although the participating countries did not hesitate to invest huge amounts of money and a large amount of manpower and material resources to apply the most advanced technology to the manufacture and improvement of new weapons, all this no matter from the principle of design to manufacturing The completion of this is the crystallization of science and technology. The fear caused by war is nothing but the harm to the body and life by various weapons and methods, and everything has nothing to do with ghosts and superstitions.

However, it was a “ghost submarine” that appeared during World War I that made many people talk about it. There are no new weapons on this submarine, nor terrible poisonous gas. After entering the submarine, there is not even anything that can harm the enemy’s flesh, but it has the most terrifying scene, causing great fear to the intruder. This kind of pure mental stimulation makes people prefer to plunge into the sea rather than stay in it for a while.

Let us first review the history of the First World War, and then tell this story.
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Germany, Italy and Austro-Hungary and Britain, France and Russia, before they formed their respective alliances, there existed various contradiction. Among them, the contradiction between Britain and Germany is the most important contradiction. They have conflicts of interest and huge contradictions in various aspects such as the economy, navy, and colonies. It is precisely because both sides have a leader that alliances and agreements can be established. Only two military groups can be established.

When the conflict between the two large military groups reached its extreme, the First World War broke out uncontrollably in 1914.

The submarine, the place where this story took place, has been the focus of close attention from all countries around the world since the day it was born. The military powers did not hesitate to use a lot of manpower and material resources. And financial resources, have joined the ranks of submarine research and development, so that the performance of submarines can be rapidly improved.

When the First World War broke out, Germany had an absolute advantage in the manufacturing of submarines, especially in the combat use of submarines, and had its unique insights. It is precisely because of this that in World War I, German submarines have created amazing records time and time again.

On September 22, 1914, an old German U-2 submarine took more than an hourInside, three British 12,000-ton cruisers were sunk in succession. In September of the same year, in just one hour, U-9 submarines successively sunk 3 10,000-ton cruisers from the British army. Of the more than 7,000 officers and soldiers on board, only 700 were rescued, and all the others were killed. Almost at the same time when U-9 submarine sank three cruisers including “Abukir”, U-21 submarine under the command of Captain Hesson also just sent a British light cruiser “Pathfinder” to the seabed. . In October of the same year, the U-21 submarine sank the “Peacock”, a transport ship carrying guns and ammunition from the United Kingdom to France. Not long after, the U-21 submarine once again made a British coal ship disappear into the sea.
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During the war, more than 350 German submarines sank about 6000 ships from the Allied and Neutral countries, including 197 combat ships and more than 5,800 transport ships. Ship with a total tonnage of about 18 million tons. In order to deal with German submarines, the Allies used more than 900 destroyers and large frigates, which greatly restrained the sea power of the Allies.

At that time, the heroic warfare of the German submarines and the mega-shattering made the British navy daunting, sometimes reaching the point where everything was in danger.

And our protagonist “Ghost Submarine” is a U-21 submarine, and the story happened one day in October 1915.

It is the sun, there is no cloud, the blue sky is like washing, the water and the sky are the same color. A white-winged and yellow-billed seagull descended from the sky and swooped down towards the sea. When it was about to reach the surface, it turned around in a hurry. The thunder was too fast to cover its ears. A big fish struggling desperately was caught in its mouth. It clings to the fish body, like a fighter plane performing a mission, after sliding parallel on the sea surface, it leans forward and soars into the sky. Farther and farther from the sea, and farther and farther away from an observation post at a British base.

A British soldier on the observation post happened to see the whole process of this seagull fishing when he was bored. He watched carefully and devotedly, and sincerely admired the greatness and greatness of the Creator. The magic of everything.

Just as he was staring at the flying seagulls in a daze, he noticed that something suddenly appeared in front of him. I saw that the thing was dark all over, and the huge body gradually revealed. He quickly picked up the binoculars and looked at it.

My God! It was actually a German submarine.