Chapter 580, The Battle of Burma 28

"Ready! Launch! "Launch!" "Launch!" After receiving the combat order, 12 Type 95 torpedoes weighing 405 kg were converted into a torpedo at a speed of 94 km/h and fired towards the devil submarine in the distance. One of the Type 95 torpedoes used by the Japanese Navy was a submarine-launched torpedo improved on the basis of the Type 93 torpedo launched by surface ships.

The Type 93 oxygen torpedo was a weapon developed by Japan on the eve of World War II, and was widely used in Japanese destroyers, light cruisers, and heavy cruisers. The Type 93 torpedo is the most advanced torpedo in the world at present, with the fastest speed, the longest range, and the largest charge. Because the Type 93 torpedo was too large for the submarine to carry, the Japanese army later designed the Type 95 oxygen torpedo for submarines.

The Type 95 torpedo warhead is the largest of all submarine-launched torpedoes, second only to the Type 93 torpedoes used by Japanese surface ships, and the engine is a wet-heated engine using kerosene and oxygen, while most torpedoes currently use compressed air. The Type 95 torpedo is also the fastest torpedo commonly used by navies around the world, with a range of 9000 m when advancing at 49~51 knots (91~94km/h) and 12,000m when advancing at 45~47 knots (83~87km/h), which is about three times that of the American-made Mk 14 torpedo at the same speed.

I have to say that the cost of naval weapons and equipment is really not cheap, such as the most commonly used consumable torpedo, a torpedo costs about 30,000 US dollars in the United States, and a P51 Mustang fighter is less than 60,000 US dollars, which is only equivalent to the cost of two torpedoes!

The price of a German G7A T1 torpedo is 40,000 Marco, about 16,000 US dollars, two torpedoes are equivalent to a German Bf-109 main fighter, 4 torpedoes are equivalent to the cost of a No. 4 tank, and 6 torpedoes are equivalent to the cost of a Tiger tank.

There are all kinds of torpedoes in the current world in the Shanghai Navy factory, but the prices are also not cheap, ranging from 40,000 US dollars to 60,000 US dollars.

After careful comparison, Jiang Qiang finally decided to buy a Japanese Type 95 torpedo that cost as much as $60,000.

Just such a salvo from the submarine detachment just now is equivalent to consuming a heavy Tiger tank or a Mustang fighter! The current price of the main submarine of the Asian People's Liberation Army Navy is 8 million US dollars, which can carry 22 Type 95 torpedoes, plus 7788 things, and each submarine is fully loaded for up to 10 million US dollars.

Even Jiang Qiang's wealth and wealth are too much to bear the obscene development, and until now he can only concoct twenty or thirty submarines and dozens of small surface ships. As for more advanced destroyers, cruisers, battleships, aircraft carriers, etc., they cost as little as 20 million US dollars and as much as 100 million US dollars.

It is precisely because naval ships are too expensive and require considerable naval technical arms that otherwise, even if a few large ships are built by smashing the pot and selling iron, they can only become a live target for the Japanese Navy. The 12-round Type 95 torpedoes were like dragons in the water at an ultra-high speed of 90 kilometers per hour, drawing black shadows in the sea water and rushing towards the devil submarine force several kilometers away.

In the command tower of the Japanese Navy's I-52 submarine, captain Matsuyama Jun stood quietly in the middle of the cabin with his hands on his chest, quietly looking at the instrumentation. And sonar crews, radar operators, operators and other devil sailors are busy and nervously working. The I-52 submarine was completed and is Japan's oldest pre-World War II submarine!

The underwater displacement is 2,300 tons, the total length is meters, the endurance is 6,800 nautical miles, the underwater speed is 8 knots, the depth is 60 meters, there are 16 torpedoes, and the crew is 63 people. "What a peaceful Madaban Bay!" Looking at the instruments that were always normal, the deputy captain Toru Sawamura said proudly:

"Your Excellency the Commander is too cautious, the British have long since abandoned Burma, their fleet has long fled to the Arabian Sea and beyond, how can they dare to let a pitifully small submarine force help the Chinese army?" "That's right, the Imperial Japanese Navy is the most powerful navy in the world, whether it is the Atlantic Fleet of the Americans or the Royal Navy fleet of the United Kingdom, they are all vulnerable in front of the Imperial Navy!"

Matsuyama Jun nodded thoughtfully, and said with a smile: "But it's good to be careful, didn't the navy discover an unknown submarine in the nearby waters a few days ago!" Therefore, it cannot be ruled out that two or three British submarines that do not have long eyes went blindly in the wrong place. Sawamura Toru smiled arrogantly: "That's the best, the mighty Imperial Japanese submarine is worried that it can't find anything to do!" ”

Don't blame these two devils for being arrogant, in the current world, the submarine force of the Japanese Navy is really one of the best, and in terms of quantity, it is also better than the German submarine force. After the end of World War I, in recognition of the importance of submarines, coupled with the constraints of the "Washington Treaty", Japan began to vigorously carry out submarine construction, which made them have nearly 200 search submarines before World War II, leading all countries in the world with an absolute advantage. Before World War II, Japan ranked first in the world with a huge advantage of 174 ocean-going submarines, while Germany had only more than 50 at the same time.

However, although Japan recognized the importance of submarines, it had entered a misunderstanding in terms of use, resulting in an extremely lackluster performance of Japan's submarine forces in the original history. This is mainly due to the fact that Japan has too deep a huge artillery plot in the construction of the fleet, and the construction of submarines is actually only a temporary expedient measure, so after entering the "naval holiday period", Japan began to slow down the construction of submarines and began to build large warships instead.

As a result, after the outbreak of World War II, although Japan had a large-scale submarine force, most of them were old models built in the early days, and this backwardness was extremely terrible at this period of rapid naval development. The second is the backwardness of submarine application. Although Japan has a large number of submarine forces, it rarely uses them as a separate force, but more often as an auxiliary ship, and more on reconnaissance and transportation tasks, but rarely directly undertakes combat missions.

The backwardness of this mode of use not only seriously restricts the development of the submarine force, but also completely loses the upper hand in the engagement with US submarines, and the Japanese submarines laden with cargo are the opponents of the US submarines that are directly used to attack.

Even in the later stages of the Pacific War, despite the heavy losses of surface ships, Japan still did not use its submarine forces as the main force, preferring to adopt the so-called "kamikaze" combat method rather than the "wolf tactics" like Germany.

Similarly, in the current plane, the Japanese Navy is still unaware of this problem, and the main purpose of the more than ten submarines assigned in this task force is still reconnaissance and transportation missions, rather than going further afield to hunt the British Royal Navy's fleet and transport fleet in the Arabian Seas. "Dididi!" As the saying goes, pretend to be struck by lightning, and just when the two devils were singing and harmonizing, a rapid alarm suddenly sounded from the monitoring instrument.

"Nani, what's going on? What's the situation? Matsuyama Jun frowned, and hurriedly looked for prestige. The devil's radar monitor immediately replied: "Report to Your Excellency Shaozuo, a large number of torpedoes have appeared in front of our army, which are still 2.4 kilometers away from our submarine, and they are expected to arrive in 96 seconds!" "At present, the best attack distance of submarines is 3,000-5,000 meters, but because torpedoes are not guided, fast ships can generally avoid them as long as they are detected in time.

So in order to improve the hit rate, Soviet submarine captains liked to fight bayonets and often played "Ula" attacks within 1000 meters. However, at present, Jiang Qiang's navy is not rich enough to play in combat for the first time this time, so he does not dare to play with his heartbeat like this, and in line with the basic principle of safety first and obscene development, he chose an attack distance of 3,000 meters to test the water. Because if it were closer, not only might the Japanese submarines discover the silent submarine force in advance, but it would also be very likely that they would not be forced to be forced but would be grassed.

After all, they are all "yellow flower girls on the sedan chair", and the first time they were in actual combat with a submarine, they did not know the effective detection distance of the Japanese submarine force. However, they know that the devil's submarine unit is a veteran sailor who has been on the battlefield for a long time, and has participated in actual combat many times, so it must not be taken lightly. As for whether it can hit the devil submarine at such a long distance, then in addition to accurate prediction, it can only rely on faith!

But then again, the current underwater movement speed of the submarine is very slow, and the general speed is only about 20 kilometers. "Nani? There are a large number of torpedoes approaching us at high speed? Are you all stupid, and why haven't you noticed anything about it? The devil captain Matsuyama Jun immediately exploded, and the smile on his face instantly froze, and he never dreamed that there was really a submarine force ambushing in the waters of Madaban Bay.

"Eight Tooth Road! Hurry up and drip to circumvent! "Hurry up and drop! Report to Your Excellency the Fleet Commander, the submarine group has been attacked by enemy submarines! "Hurry up and drop! Search for the exact location of enemy submarines now! After Matsuyama Jun was briefly stunned, he issued a series of orders one after another!" Hello! Your Excellency, we are already taking emergency shelter! ”

In fact, there is no need for the old devil to shout, the first time he received the police information, the devil sailors with rich combat experience were already busy. On the deck of a Yamato-class battleship. When the commander of the devil fleet, Takeaka Ryo, was stopping to watch, the devil's communication staff officer ran over with a roar: "Report to Your Excellency Commander, it's not good, the submarine group has been attacked by enemy submarines!" ”

"Yaga! Sure enough, there was an ambush! Takenaka rippled his mustache, and then said in a deep voice: "Order all the destroyers to speed up and go to support, and be sure to kill all these hateful Brits!" "In order to avoid being remembered by the Devil Navy, the submarine force of the Tiger Ben Army has been developing in secret, and the scope of activities is limited to submarine bases and coastal defense lines.

Therefore, the Japanese side has known so far that the Huben Navy only has a small number of small-tonnage surface ships, and it does not know that Yang Fan already has nearly 30 submarine ships in his hands. "Hello!" The Devil's Communications Staff Officer immediately took the order and left.

Destroyers are equipped with a variety of weapons, such as air defense, anti-submarine, and sea-fighting, and can not only serve as offensive assault missions in naval ship formations, but also undertake air defense and antisubmarine escort tasks in combat formations, and can also serve as support forces in landing and anti-landing operations. The speed of the destroyer is relatively fast, and the torpedoes of the current era have no guidance function, and the destroyer can generally dodge it.

And submarines in the current era have no missiles and only torpedoes, and if they want to attack targets on the surface, they must surface to attack, so that they can be easily detected by destroyers. The destroyer is faster than the submarine, and the skin is thick and thick, even if the submarine hits him with two torpedoes, it will not sink, but the submarine is not easy to say. The range of naval guns is outside the boat guns, and their depth charges are the nemesis of submarines.

Therefore, in the current era, destroyers have a crushing advantage over submarines, and they are like natural enemies, and submarines will never take the initiative to attack destroyers unless they have to, and their targets are generally oil tankers and transport ships, not destroyers. Jiang Qiang is also very clear about this situation, there is no way for a submarine force alone to face the naval fleet of tough devils, and the main purpose of ordering the naval submarine force to participate in the war is to train troops, and by the way, to see if they can fish in troubled waters and take advantage of it.

"Boom! Boom! Boom! "As soon as the devil's communications staff officer walked away, three waves exploded on the sea more than ten kilometers ahead, and the dull sound of the explosion soon reached Takechu Lian's ears." Report to Your Excellency Commander, three submarines of our army were blown up, the I-3, I-4, and I-52 submarines were blown up, and Matsuyama Shaosa and 188 Imperial Army Jade were shattered! Enemy submarine forces are making a quick escape to the coastline"

It didn't take long for the battle damage to be counted. "Yaga! Dead, dead, dead! Damn the British, they all have to die! Takenaka was so angry that he was so cautious that he still got on the road, and three submarines were blown up before he officially entered the war.

Although these three submarines are all old models more than ten years ago, the cost of each submarine is not cheap at all, each submarine cost as much as 15.53 million yen, which is equivalent to more than 7 million US dollars in that year! Thinking of this, Takenaka Ryu was really new to death, and immediately roared viciously: "Hurry up, the destroyer formation is pursuing at full speed, and we must kill all these damn Brits!" "Well done! 24 torpedoes were not in vain! Continue to speed up the return voyage and immediately send a telegram to the shore defense forces and air force units to request fire support! ”

Huzi knew very well that it was powerful, and immediately returned after firing two rounds of torpedoes, not daring to stay where he was. It wasn't until two minutes later that the results were confirmed through sonar, and this time the three devil submarines were killed, which was a small profit. According to the previous battle plan, the submarine force lurked in the coastal area, and waited until the devil's fleet and the coastal defense troops and the air force bomber group on the coastline were in full swing before taking advantage of the troubled waters to fish.

But the plan is not as fast as the change, and the devil navy is really cautious enough, and it did not give the Huben submarine detachment a chance to make a big ticket. "Baga Ya Road! Drop depth charges, don't let these damn Brits run away! "After a fierce chase by the 6 devil destroyers, they finally caught up with the Tiger Ben submarine detachment that retreated at full speed, and without the slightest hesitation, the devil destroyers began to output wildly!

Torako led the submarine detachment to preemptively kill 3 Japanese submarines, and the commander of the Devil Navy Task Force, Takeaka Ren, was annoyed and ashamed, and sent all the destroyers out to hunt down the Huben submarine detachment. Thump! Thump! After pursuing the destroyer for more than 10 kilometers, the Devil destroyer finally captured the target, and after setting the time-delay fuse, the Devil sailors began to push more than 200 kilograms of depth charges off the deck.

Depth charges have always been the standard weapon on anti-submarine ships of various countries, and they are extremely powerful, simple to use, and very popular. Depth charges do not need to hit the submarine directly, and the change in water pressure caused by the explosion is enough to tear the submarine hull. Therefore, depth charges do not need to use trigger fuses, but use delay or pressure fuses, which need to be detonated at a fixed depth.

It's just that although the depth charge is very powerful in the water, it can be as powerful as a torpedo destroying a ship's keel. However, the shock wave attenuates quickly in the water, and the explosion killing radius is not large, for example, the D-type deep bomb used by the British army is only about 22 meters. A deep bomb can seriously damage a submarine within 20 meters, and it needs to be destroyed within 10 meters, so the timing and distance of the explosion are very high. In the current era, the sonar system on the destroyer is still very backward, and the sonar operation has to rely on the human ear to distinguish.

Sound waves are known to travel fast in water, about 1500 m/s. When the destroyer is less than 200 meters away from the submarine, the pulse wave emitted by the sonar is extremely close to the echo, exceeding the resolution limit of the human ear, so that the two "bang" sounds one, and the submarine disappears.

This leads to very inaccurate depth parameters, and the depth fuse error is very large when the depth charge is dropped, and the submarine can avoid many attacks by diving in time. At the same time, the sonar has a blind spot directly in front of the bow and a minimum detection distance, while the sonar beam tilt angle is limited, so that the destroyer cannot detect it when the submarine passes under the beam. Therefore, anti-submarine ships can only blindly drop bombs at the expected waypoint, do not know anything about the movement of underwater submarines, have poor accuracy, and have a hit rate of only 3%.

As a result, in World War II movies, there are often scenes where the destroyer throws a lot of depth charges and works for hours, while the submarine still staggers and escapes. The reality is also true, most submarines are destroyed by the cumulative damage of long-term intensive fire, and not many are sunk at one time. For example, in April 1945, the German submarine U-427 withstood the indiscriminate bombardment of 678 deep bombs, but still survived.

This time, the red-eyed devil destroyer could only blindly bomb with depth charges, dropping sixty or seventy depth charges in one fell swoop to carry out a large-scale net-type bombardment. A moment later, huge waves poured out on the surface of the sea, and the sound of dull explosions was endless.

But fortunately, although the devil's operation was as fierce as a tiger, the final result could only be uncollected. Jiang Qiang and the others escaped this wave of net-type bombing without danger under a period of extreme operation, and only two submarines were hit by a relatively serious impact, but it was only there, and they did not lose their mobility and combat effectiveness. "Your Excellency, all 12 enemy submarines are alive and are continuing to escape towards the coastline!"

After all the depth charges were exploded, the devil sonar operator immediately scanned and confirmed the results, but sadly found that the 12 submarines were still alive. "Yaga! Damn not a single British submarine was blown up? Hurry up and continue the pursuit, this time dropping all the depth charges! The commander of the devil destroyer fleet, Iida Yanghui, roared angrily, this wave of operations was too slap in the face.

At this time, a devil communications staff officer, Xiao Iwai, stepped forward and said politely: "Iida-kun, we are already too far ahead, we have already entered the range of the Huaxia coastal defense artillery, I am afraid that it will be dangerous to continue to chase!" "Xiao Yanjun, as an imperial soldier, how can you be greedy for life and afraid of death?"

Iida Yanghui was already red-eyed, how could he let the fat in his mouth fly away like this, and after glaring at Xiao Iwai, he roared: "Immediately execute the order, all destroyers continue to pursue!" We must not allow the Imperial Navy warriors to die in vain! Hurry up and drop! In addition to being eager to make contributions, Iida Yanghui is not completely brainless looking for death, but relying on it.

Because although it has entered the effective range of the coastal defense gun, the destroyer is fast and the target is small, as long as it is not very unlucky and very bad, it is difficult for the coastal defense gun to accurately hit the target under normal circumstances! "Hello!" Xiao Iwai, the devil's communications staff officer, didn't dare to continue to do it, and hurriedly took the order.

"The dog day is too arrogant, and he dares to continue chasing when he arrives at our territory! Pass my order, give me aim to hit! All the gun emplacements opened fire at once, and all these shitty devil ships were overturned for me! Ou Hao, commander of the coastal defense forces of the Burmese army, had been observing the approaching devil fleet, and after seeing the six destroyers of the devils breaking into the range of the shore defense guns, he did not hesitate to give the order to open fire. In order to prevent the Japanese naval fleet from directly attacking Huanglong and landing in the vicinity of Yangon, Jiang Qiang spared no effort to strengthen the military defense along the coastline around Yangon after entering Burma, and built a very complete port and shore defense system.

88 mm anti-aircraft guns, 155 mm secondary guns, 280 mm and 305 mm shore defense main guns, batteries can support each other and land fire, but also to defend against the Japanese navy and air force. In addition, there are dozens of shore defense torpedo launchers, which can certainly surprise the devil fleet if the Japanese Navy forces a forced landing or fires at close range.

"Roger!" "Understood!" "Ready! Fire! More than 30 coastal defense guns of large and small calibers roared all day long, and one shell after another cut white bullet marks in the sky. A moment later, huge waves exploded on the surface of the sea off the coast of Madaban Bay.

Especially the 305 mm howitzer, the waves that blow up are simply overwhelming, and the sound of the waves soaring into the sky is ten kilometers away, which can also make people deafening. "Yaga!" "Dead, dead!" However, it is a pity that this round of concentrated fire attacks did not directly hit the devil ships, but it caused great panic to the 6 devil destroyers that rushed to the front!

"Yaga! How could the coastal defense artillery of the Chinese army be so numerous and so powerful! "A 305-millimeter cannon landed on the sea less than 30 meters behind the destroyer, blowing up a huge wave more than 20 meters high. A huge wave of sound hit, and Iida Yanghui was shocked to the point that his eardrums hurt sharply, and his head buzzed. Fortunately, this is at sea, and the old devil is standing on a destroyer a few meters above the water, otherwise he would have been either dead or maimed!

Rao is like this, Iida Yanghui was also shocked by this passing shot and broke out in a cold sweat. Although the shore defense artillery cannot be like a torpedo, as long as it hits the hull, a small and medium-tonnage ship such as a destroyer can shoot a child. But as long as it is real, it is definitely either death or injury, and the lethality should not be underestimated.