"Hell, how did we get discovered?" was the pitiful question that repeated in the mind of the commander of the Allied Alpine Dog transport fleet. They orchestrated all sorts of scams, and even many of the sailors on the transport ship did not know that the destination of the plan was Iceland.

They resorted to countless deceptions, even confusing the Germans with some fake news. But now it seemed that all their efforts had been in vain, and the Germans' wolves awaited their arrival on this route.

"Boom!" another explosion came from afar, pulling the Allied commander out of his thoughts, who had been deeply dreaded. In this short moment, he seemed to hear something different from this explosion.

But in such a short period of time, he was completely unable to find out where this strange thing existed. On the other side, the British and American destroyer forces are accelerating their turn, and the entire fleet has begun to appear chaotic and collapse. So he hurriedly turned around and shouted an order to his assistant: "Keep the fleet on course!

"Your Excellency, if you maintain course and speed in the face of enemy torpedoes, then I think it will already be a disaster. The assistant said to the general in alarm.

"Bastard, are you the commander now, or am I the commander?order the fleet to keep course! If anyone dares to turn around, I'll sink it!" the fleet commander shouted loudly, and then he suddenly realized what was wrong in that moment, so he turned sideways in surprise and looked in the direction of the ship's explosion with a strange gaze: "Something is wrong!

It was as if I saw a French meal when I was hungry, as if someone brought a soft pillow when I was sleepy, as if it was ...... In short, this Allied commander, who had thought he was the most unlucky person in the world a moment ago, suddenly felt the favor of the god of fate at this moment.

"The explosion didn't continue!" he shouted loudly and excitedly. Then one of his eyes finally found his soul, and it went back and forth in his sockets. At this moment he was very excited, because at this moment his fleet seemed to be saved again.

There are two tactics used by German submarines, one is the ambush tactic of cruising in a single boat, to put it bluntly, a submarine walks in the sea and sinks what it encounters. The advantage of this tactic is that it is impossible to defend against it, and it is difficult for the Allies to target anti-submarine operations. Of course, this tactic is not invulnerable, and the drawback is no less obvious - the submarine may not be able to meet an enemy ship until it runs out of fuel and returns home.

The opposite tactic is the famous wolf pack tactic developed by Admiral Dönitz of the German Navy and the tactic of cruising in a single boat. To put it bluntly, this tactic was to use as many means as possible to detect the enemy's target in advance, and then concentrate all the German submarines in the vicinity to encircle the Allied fleet in a certain position.

The first advantage of wolf pack tactics is the diversity and foresight of the early reconnaissance methods. This is a technological revolution for submarine attack targets. As we all know, submarines during World War II could only sail at a speed lower than that of surface ships because of their functional limitations, which made it a small probability event for submarines to find targets and obtain good attack positions when hunting targets.

As a result, a large number of submarines can only roam aimlessly over the sea, relying on luck to find their targets and attack them - such attacks are obviously very inefficient and costly. In response to this situation, Dönitz, as a naval submarine expert, proposed an improved plan.

The plan is to use naval aviation, espionage and intelligence agencies, and even fishing boats and merchant ships of their own countries to attack ships...... All this power to provide submarines with intelligence on the activities of enemy ships. With reconnaissance and intelligence, then it is possible to set up an ambush in the predetermined sea area in advance based on this information.

The wolf pack tactics made up for the lack of detection conditions in the early stage of submarine warfare, and concentrated superior forces to encircle and suppress the Allied transport fleet, so they would sink more ships and inflict greater losses on the Allied forces.

In order to give themselves time to escape, and to cause the greatest chaos and achieve the greatest results, the wolf pack tactics generally fire as many torpedoes as possible at a specific time, and then break away with one blow and escape thousands of miles away. These underwater assassins tend to fire all the torpedoes they can in the first place, achieving the greatest results.

But just now, just when the commander of the "Alpine Dog" transport fleet began to despair, the sound of the explosion gradually faded away. And after a few rings, it came to an abrupt end.

God! You're still on our side! With this in mind, the commander immediately began to give combat orders: "Let the destroyers keep their posts! Don't be impulsive! The enemy may only have one submarine! Don't frighten yourself!"

His words calmed down the panicked bridge building at once, and everyone looked at their commanders in disbelief, and then some of the sailors who had experienced the tactical interception of German submarine wolves immediately realized something: "Hey! The explosion has stopped! The enemy attack did not continue!"

As if to confirm their suspicions, the entire fleet calmed down, as if it had not been attacked at all. If it weren't for the slow sinking of a huge ship in the distance, or if it weren't for the flames spreading farther away, or if it hadn't been for the explosion of a ship just now—they would have wondered if they were too nervous and had the illusion of a German submarine attack.

"It's a submarine attack! Not a German wolf pack!" a sailor who had been attacked by German wolves and survived by luck leaned back in his chair, let out a sigh of relief, and said happily: "Great! It seems that we have not been lucky enough to get home this time." ”

One sentence spoke everyone's heart, and another explosion in the distance became less terrifying in everyone's ears. If there was only one German submarine, even if it was a new submarine, it would only have a chance to fire 16 torpedoes at most, and even if they hit all, it seems that they would lose it!

But in the vast sea, how could it be possible that 16 torpedoes hit 16 ships at each other. So at most, less than 10 ships will be hit, and the losses are well within the limits of what is acceptable on the North Atlantic, the most dangerous route in the world.

As if to confirm everyone's conjecture, the sound of the explosion did not come again for a long time, and an adjutant had already walked over with a message of damage statistics and reported how much damage the attack had just caused: "The transport ship Bottle Cap has been seriously injured and has fallen behind...... The Great White Bear sank...... Sunk ...... No. 1447 The beautiful goddess sank ......"

"Gentlemen, we don't know if we'll encounter more German submarines at night! "The Fleet Commander seemed to have risen from hell to heaven at this moment, and he was ready to sink half of the ships, and now he was told that he had lost only four transports - which could be regarded as good news.

But just when he was secretly happy in his heart, a transport ship behind the fleet suddenly exploded again, and the huge flames suddenly rose dozens of stories high, obviously it was a transport ship full of munitions. Looking at the location it is close to the center of the fleet, but unfortunately this location is not a lucky place for it.

Everyone was silent, staring at the rising water and flames in the distance, and it took a long time to come back to their senses. Experienced people know that the German submarine fired a salvo of torpedoes just now, and definitely no less than 6 of them...... Hitting 5 ships in this case can only be regarded as a very decent result.

"It looks like we've lost another ship. "The commander didn't speak just now, most of the time he still had some worries. He feared that more and more German submarines would join the strangulation, but as time passed, it became clear that his fears had not materialized.

There really was only one German submarine, and this one had only time to attack once. In any case, it was an encounter at sea, and their fleet encountered a passing German submarine, so in the spirit of the principle of plucking the goose, the German submarine launched an attack - this is the script, and there is nothing surprising.

At dawn the next day, B-17 bombers on patrol appeared above the Allied fleet, as well as other Allied aircraft. A cruising British destroyer fleet also converged, and it seemed that the threat of German submarines was completely removed. The sudden appearance of the German submarine became the only episode in the transport, and everyone on board was rejoicing in their luck.

......

In Canada, in the building where British intelligence was temporarily stationed, an officer put down the phone in his hand and shook his head at his adjutant: "This kind of thing happens every day in the Atlantic, where German submarines are almost everywhere. Changing such an important password just as a worry is definitely a waste and a loss. ”

"However, the Alpine Dog convoy did come under attack from German submarines, and we cannot ignore this possibility. The Germans may not have time to mobilize more submarines, is that also a possibility?" the adjutant frowned and pleaded.

The British intelligence officer shook his head and said meaningfully to his adjutant: "This password will expire and be replaced in two months, there is no need for us to scare ourselves so much, you are just too sensitive." If you don't encounter a single German submarine, you'll still say to me, 'The Germans may be trying to cover it up,' let's change the code......

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