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On the afternoon of April 21, 1943, off the coast of Xuwen County in the southern part of the Leizhou Peninsula.
Officers and soldiers of the Fourth, Fifth, and Sixth Divisions of the Third Guards Army held oath-taking mobilization meetings for the sea-crossing operation at their respective locations.
The atmosphere in each venue was extremely warm. Each regiment used battalions and companies as basic units to form square formations of different sizes. All the soldiers who went on the expedition lined up as a whole, and their faces all showed confidence and perseverance. The fighting spirit of each company
The flag flutters in the sea breeze.
Lantern Point, Jiaowei Bay, southwest of the peninsula, the venue for the swearing-in and mobilization meeting of the 6th Guards Division.
Major General You Ruiyuan, the political commissar of the division, strode onto the high platform. He first led all the division's participating officers and soldiers to the party flag and the 79th Army flag flying high behind the podium, and solemnly swore that he would never let down the Party Central Committee, Chairman An Yi's ardent expectations, and shoulder the responsibility of the Chinese people.
Relying on the great trust, we resolutely and tenaciously completed the glorious mission of crossing the sea and landing.
After Major General You Ruiyuan read out the condolence message from Chairman An Yi who was inspecting work in the Caucasus, the division commander Major General Zhu Zhengping made pre-war mobilization. His brief and powerful call, full of ardent expectations and earnest instructions, were occasionally greeted by bursts of warm cheers.
Interrupted by applause and exciting chants.
Finally, You Ruiyuan and Zhu Zhengping, on behalf of the higher-level party committee and the General Political Department, awarded each of the five battalion officers and soldiers selected from each regiment to take charge of the first wave of beach grabbing a banner of "Pioneer Crossing the Sea".
The battalion instructor was extremely excited and shouted with the commanders and soldiers: "We will never let down the party's expectations!" "Resolutely complete the sea-crossing mission."
The afterglow of the setting sun reflected the dark green sea red. It reflected the flying battle flags red and the resolute faces of the warriors who went out to fight.
...
At the same time, across the strait, Lieutenant General Eitaro Uchiyama, commander of the Japanese Hainan Army, came to the heavily fortified Haikou Port to inspect the defense.
Early this morning, I received news that the Sanya Bay defense line was in danger. I had to urgently appoint Yoshitaka Ota as the commander-in-chief of the southern front and mobilize troops for reinforcements. However, shortly after that, the headquarters lost contact with the Japanese troops in southern Hainan. Here we are.
At nine o'clock in the morning, radio communications in the northern part of Hainan Island were also interrupted, which made Eitaro Uchiyama feel that something was seriously wrong.
After spending a whole day restlessly at the headquarters of Qiongshan Middle School, when the bombings from the Anjia Army and Air Force became less frequent, Uchiyama Eitaro hurriedly drove to Haikou Port to inspect the construction of coastal defense fortifications and check the mental outlook of the officers and soldiers. Picture
Peace of mind.
After receiving the notification, Captain Muraoka Mibaso, the captain of the Haikou Guard Corps, rushed out of the headquarters to greet Eitaro Uchiyama who had just got out of the car door. Then he and Major Tamagawa Ryuji, commander of the Haikou Fort, accompanied the commander on the visit.
.
Arriving at the ancient fort that had been looted by aerial bombs, Uchiyama Eitaro looked at the cratered surface of the fort and shook his head. He took the telescope from his entourage, stood in front of the railing near the sea, and looked at the sea for a long time.
, and then focused on shore defense facilities.
The scenery along the coast of Haikou Port was originally beautiful, but now there are many bunkers in the shoals and deep areas, trenches are crisscrossed, and there are three layers of iron caltrops inside and three outside, with mines hanging from them.
Seeing that the defense line was still solid, Uchiyama Eitaro nodded slightly, then walked down the ancient fort, along the coast of Haikou Bay, inspecting bunkers one by one and trenches one by one. Wherever he went, those who had entered the battle position bunker
The Japanese soldiers had to get out of the bunker and stood in an orderly line on the edge of the trench. They were all worried, not knowing what the commander wanted to do.
About a quarter of an hour later, Uchiyama Eitaro stopped in front of a central fortress. In front of him stood about a small group of soldiers. He glanced at it and shouted: "Stand at attention, hold a gun!"
The Japanese soldiers immediately stood up and then stretched out their weapons.
Uchiyama Eitaro checked down one by one. When he walked to the fifth Japanese soldier, what appeared in front of him was a tall and thin young man who looked very young. However, this young man was not in good condition at the moment.
, his face was red, there was cold sweat on his forehead, and his breathing was very rapid, as if he had done something shameful.
Uchiyama Eitaro was very dissatisfied with the mental outlook of this young man who was obviously a head taller than him. He looked up at the young man's somewhat embarrassed face, suddenly reached out, grabbed the rifle in the other man's hand, took it in his hand and looked at it.
It is the latest Type 99 sniper rifle.
Is it necessary for a young man to use such a good gun? Is it a relative who was stuffed in? Uchiyama Eitaro glared at the somewhat baffled Colonel Muraoka, then lowered his head, checked carefully, and found that the barrel of the gun was actually covered.
A thin layer of rust made my face turn red with anger and my head was filled with anger.
"Baga!"
Uchiyama Eitaro twisted the young man's collar, grabbed him, and roared loudly: "Don't you feel ashamed? This is the best individual weapon of our army. See how much you care for it? Yeah!
?”
The young man was so frightened that he trembled all over, lowered his head with rapid breathing, looked at Eitaro Uchiyama timidly, and muttered: "Yes... I'm sorry... I... I have dysentery... I have a fever... It's been almost half a month...
I am only sixteen years old this year...I volunteered to join the army..."
"Is this your excuse for slacking off?"
While Eitaro Uchiyama angrily reprimanded him, he pulled out the Sugiura-style pistol that was only equipped by high-ranking Japanese military officers from his waist. He aimed two shots at the young man's chest. After shooting him, he sneered: "Don't insult my IQ. I am powerless compared to you."
I am more willing to believe my own eyes!"
"I...I..."
The young man wiped the blood gushing out of his chest in disbelief. He pointed at Eitaro Uchiyama and muttered. He wanted to say a few more words, but the blood gushing out of his throat squeezed out his next words.
He turned back, then his eyes widened, and he fell to the ground on his back, blood gurgling out, and a large area of the ground was quickly soaked.
"This is what happens when you slack off!"
Uchiyama Eitaro said to the pale-faced Miyako Muraoka and Tamagawa Ryuji next to him: "There is a famous saying in the military writings of the Chinese people: He who makes good use of soldiers can kill half of the soldiers, and the soldier who fears the general is more than the enemy. Victory!" said
After that, slowly insert the pistol into the holster on your waist.
Then he took off his white gloves and threw them on the young man's dead body. He took out his handkerchief and wiped his hands. He said to the silent Japanese around him: "Pass my order. The Chinese are about to land. Those who disobey orders and are passive and fearful of war will be killed."
Anyone with a weak spirit will be killed without mercy!"
"Hey Yi——"
There was a neat response from the surroundings, and it seemed that Eitaro Uchiyama's warning had taken effect. However, if you look carefully, you will find that from the upper-level officers to the ordinary Japanese soldiers below, the eyes are a little erratic. It is obvious that Eitaro Uchiyama's behavior is felt.
Incomprehensible.
After Eitaro Uchiyama left in the car with satisfaction, Muraoka Miyu glanced at the young Japanese soldier on the ground with regret and said: "What a pity, this is the best shooter in our police force. He can easily kill a copper coin from five hundred meters away."
The target, big and small, was a good seedling that I focused on cultivating, but I didn’t expect that he would not die in the hands of the Chinese, but would be killed by our commander... Alas!"
Major Tamagawa Ryuji wiped the cold sweat from his forehead: "In this situation, one more and one less sharpshooter is not a big problem. Let's just be a monk and hit the clock for a day, and just muddle along!"
...
Ten o'clock in the evening, Qiongzhou Strait.
The preset landing sites in Jiaowei Bay, Dongchang Port, and Haian Bay are brightly lit. There are 1,100 small landing craft with a displacement of more than 50 tons, more than 80 "Green Lake" class medium-sized landing ships with a displacement of 700 tons, and 20
"Erhai"-class landing ships with a displacement of 1,500 tons gather on the sea.
The "Green Lake" class landing ship has a standard displacement of 700 tons, a full load displacement of 800 tons, a maximum speed of 18 knots, an endurance of 1,200 nautical miles, a crew of 36, and two twin-mounted 20mm Oerlikon anti-aircraft guns. It can carry
250 fully armed soldiers, or 200 tons of supplies, or five tanks, or 8 vehicles, or four trucks and four I-type 75mm anti-aircraft guns.
The "Erhai" class landing ship has a standard displacement of 1,500 tons, a full load displacement of 1,800 tons, a maximum speed of 20 knots, an endurance of 2,000 nautical miles, a crew of 72, and two 40mm Bofors anti-aircraft guns and two 40-tube 122mm guns.
Functional rocket launcher, a helicopter platform is set at the rear of the landing ship, and a III helicopter is parked, which can carry 500 fully armed soldiers, or 300 tons of cargo, or ten tanks, or 15 vehicles, or eight trucks and eight
Gate I 75mm anti-aircraft gun.
Due to the shallow draft of the small landing craft, most of the officers and soldiers can board directly on the boat through the pedals. The remaining officers and soldiers need to be transported by diesel barges and paddled wooden barges and wooden boats to the troops gathered on the beach one trip after another.
On board the "Cuihu" class and "Erhai" class landing ships in offshore waters.
Some soldiers were impatient and did not wait patiently. After asking about the ship they were carrying, they took off their clothes, wore only a pair of shorts and a backpack on their heads, and waded on board the ship. There were nearly 50,000 officers and soldiers in three divisions. Under the command of the commander of the army, Lieutenant General Fang Pengxiang
Under his leadership, they all boarded the ship in the early morning.
The speed of many landing craft is only about ten knots. It only takes three hours to get from the southern tip of Leizhou Peninsula to Hai'an Bay, which is the farthest distance from the destination. Lieutenant General Fang Pengxiang issued the order in an orderly manner after calling the Hainan Campaign Headquarters for inquiries.
.
At 0:32 in the morning, as the order of the military headquarters was issued, the shadows of warships were seen on the northern sea surface of Qiongzhou Strait. More than a thousand warships left the coast and passed through the surging waves, like sharp arrows.
Shooting to the south. Months of military training were spent in a short time. All the officers and soldiers participating in the battle were full of pride, and the song "Serve the Country with Loyalty" resounded across the sea.
...
The water flow in Beibu Gulf is relatively gentle, which is very suitable for large fleets to cross from north to south.
When the Second Army of the Leizhou Peninsula moved closer to Hainan Island, a fleet had already sailed to the central and southern waters of the Beibu Gulf. More than a hundred large and small ships advanced in three columns at a medium speed of 15 knots, equipped with sonar and depth bombs.
The destroyers are distributed at the front, rear, left and right of the fleet. They are responsible for escorting the huge transport fleet in the center.
With the outbreak of an unprecedented naval battle between Japan and the United States in the Central Pacific, Japan's naval power around Hainan Island is no longer something to be afraid of. However, the Japanese submarine force is still a force that cannot be ignored.
When Ishihara Kanji was in charge of the Army, he seemed to have a special liking for submarines. In just five years from 1938 to 1942, Japan produced about 300 submarines, which were initially used to cut off ports on the west coast of the United States.
The connection between the city and the Central Pacific Islands later gradually fell into the hands of Japan as the western parts of North America and South America. The main force of submarines was quickly transferred southward, with part of it used in the southeast Pacific to block the Strait of Magellan and the Drake Strait, and the other part entered the South
Indian Ocean waters. Disrupting America's ocean supply routes.
Under the attack of Japanese wolves, the route from the United States to Australia was seriously threatened. The United States had to imitate the Atlantic Organization's huge transport convoy and escort it with multiple aircraft carriers. However, although the US military partially guaranteed freedom of navigation, the large convoy
Opening once every one or two months seriously reduces the efficiency of supplying the U.S. Army and Navy forces in the Central Pacific.
In addition, there are some submarines active in the Sea of Japan, the Korean Strait, the Yellow Sea, the East China Sea, the South China Sea, the Beibu Gulf, the Nanhua Bay, the Andaman Sea, the Bay of Bengal, the Arabian Sea and other Asian offshore waters. Among them, the Beibu Gulf is the Anjiajun destroyer
It was a major battlefield against Japanese submarines. In order to prevent the nearby Anjia Army from making a sudden landing on Hainan Island, the Japanese submarines here acted as the eyes and ears of the Japanese army and the first blocking line.
With Japan's radio communications throughout Hainan Island basically interrupted, the Japanese naval fleet in Hainan will inevitably send submarines to search for intelligence. Therefore, it is very necessary to equip the transport fleet carrying the 50,000-strong troops of the Third Guards Army with destroyers.
Searching and advancing at the forefront of the transport fleet are six "Songhuajiang" class destroyers with a standard displacement of 2,000 tons.
At this time, in the sonar room of the "Mudanjiang", several naval sonar officers were wearing listening devices and concentrating on monitoring the situation under the sea surface.
Currently, all "Songhuajiang" class destroyers are equipped with two sonar systems, including a passive towed sonar and an active hull sonar.
Passive towed sonar is a long sonar array that is launched into the sea by a ship during operation. It is connected to the ship by a cable of about three kilometers. During operation, the array itself does not emit sound signals and relies entirely on passive towed sonar arrays.
It monitors the noise signal coming from the target to detect and track the target. It mainly searches for the sound waves from the target. It is characterized by concealment, good confidentiality, strong ability to identify targets, and long reconnaissance distance. However, it cannot detect stationary and silent targets, nor can it detect
Measure the target distance.
The active hull sonar is installed at the bow of the ship. There is a cylindrical sonar array in the bulbous nose. When working, the array will actively and continuously emit sound signals of a certain frequency, and rely on the reflection of sound waves on the target to detect and track.
Target. Active sonar can make up for the shortcomings of passive sonar, and the distance and tracking accuracy are significantly higher than that of passive sonar.
However, since active sonar has to continuously send out detection signals, it has a fatal flaw, that is, its concealment is very poor, just like a person using a flashlight to find a target in the dark. Therefore, ships generally do not use active sonar unless they have to.
Na.
Compared with active sonar, passive sonar can be seen as using your ears to find enemies in the dark. Although the accuracy is relatively poor, it is still used as the main detection tool in most cases. After all, protect yourself.
That's the first priority, and then you have to consider how to better kill the enemy.
"Report, there is something!"
A sonar officer suddenly shouted, and the officer on duty immediately took his listening device, put it on his head, closed his eyes and listened carefully. For most Anjiajun naval officers and soldiers who have been exposed to sonar for a relatively short time,
Wrong targets are common, and many times fish schools and submarines are confused. Final confirmation must be made by an experienced sonar officer.
After listening carefully for half a minute, the officer finally concluded that it was indeed the sound made by a submarine.
"Continue monitoring with passive sonar. Now turn on active sonar and calculate the target position immediately!" After the officer on duty finished speaking, he quickly picked up the phone next to him and reported the situation to the captain, Major Taki Anzawa.
"It won't be our own submarine, right?"
Taki Yasawa, who was born in the Boy Scout Academy and graduated from the Anti-Submarine Academy in Kiel, Germany, in the summer of 1939, had this in mind first. Therefore, instead of reporting the discovery and sounding the anti-submarine alarm, he issued new instructions: "Immediately
Send variable frequency amplitude modulation waves to confirm the identity of the other party."
"yes!"
The sonar room was busy again after receiving the order.
It turns out that although the submarine is equipped with the friend-or-foe identification device owned by Anjia warships, this kind of friend-or-foe identification device can only be used on aircraft and surface ships after the submarine surfaces. When the submarine is hidden underwater, the radio
The device cannot be enabled and can only rely on identification friend or foe sonar for identification.
Identification Friend or Foe sonar does not work on standby like an Identification Friend or Foe machine. Instead, after the sonar system of a surface ship or submarine detects a target, the discovering party first sends a set of specific frequency conversion amplitude modulation waves. The power of this frequency conversion amplitude modulation wave is extremely low.
, only the same type of equipment can accurately identify the signal and reply to the solution wave after decoding. Since the waveform signal contains the identity of the ship and submarine and the commonly used code words of the fleet, ships of other countries cannot imitate it.
However, due to the special nature of submarines, they usually do not want to be discovered. Therefore, only before launching an attack, surface ships or submarines that discover one party will use identification friend or foe sonar, because the use of sonar will first reveal one's own position.
, so submarines generally act unilaterally underwater.
When the fleet is cooperating, submarines can communicate with the fleet by radio by floating radio buoys, but this method will not be used unless absolutely necessary.
Soon, the resolution wave came back, and the sonar crews all breathed a long sigh of relief. This was indeed the latest identification of friend or foe. Because of the worry that the large number of submarines of the Anjiajun Navy would be captured by Japanese warships, the Anjiajun Navy frequently passed through
Change the radio password and identification signal to avoid being used by the Japanese navy and hostile forces.
The transport fleet carrying the Third Guards Army is getting closer and closer to the eastern peripheral waters of Lingaojiao, and the commander of the escort fleet is becoming more and more focused. It is not only Japanese submarines that can pose a threat to the transport fleet, but also those small and small submarines.
, the torpedo boats hidden near ports or small fishing villages can easily escape the air attacks of Anjiajun aircraft for several days, and wander near the coast in the dark. They must be vigilant to avoid unnecessary losses.
~~~~~~~~~~~~~~
ps: It has been three and a half years since the creation of "Iron Bone". Many of the previous plots may have been forgotten. Starting from today, the public version will gradually upload some information about the work. Please read it. This will enhance everyone's understanding of the work.
and understanding.
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