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Text Chapter 866 The End of the Fortress Era

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    Jia Xiaohou made it simple, but actually using No. 20 bomb is very complicated.  Just diving at an altitude of 4,000 meters is beyond the control of ordinary pilots.  Not to mention that the dive speed must be greater than 850 kilometers, and the angle must exceed 80 degrees.  You know, the fortress is not a battleship, and only three trucks can be parked at the top.  In the simplest terms, you can imagine how difficult it is to aim at a sesame seed from 4,000 meters.

    But there are always some alternative people in this world, such as Liu Cuigang.  He is not only recognized as a handsome man by the Air Force, but also a special pilot. Of course, he is an alternative.  I was originally flying fighter jets well, with 17 downed records since Afghanistan. However, after the Battle of East Kazakhstan, the Soviet Air Force was completely defeated and retreated to the west of the Aral Sea. There were no offensive missions there, so I felt bored and stuffed cigarettes to find a way out. Finally, I was temporarily transferred to dive.  Brigade.  As a result, this adjustment was remarkable. In just 2 months, it set a record of 27 missions without a single failure.  And most of the targets are exposed small tanks and solid bunkers.  So when people were selected again, he was chosen first.  Of course, at that time, his altitude was basically 1,500 meters. Now that he was about to rise to 4,000 meters, he felt a little nervous.  So I turned on the communicator and wanted to ask my naval colleagues who had participated in the experiment: "Shaobao, did you do the same during the experiment? It was too heavy, the operating rod was stiff, and the climb was slow. It was too late to catch up with the ox cart." Liu Cuigang said as he spoke  Tapping the snail-slow ceiling gauge with my fingers, I highly doubted whether it was broken.

    "This old machine is already fast enough. I said last time, how about just changing the engine? These guys just said there is not enough time. Damn it, I will settle the score with him later." came from the earphones.  The voice of Lei Shaobao, a naval pilot who participated in the development of No. 20 bomb.  Liu Cuigang laughed secretly, why are the navy so virtuous?  He knew that Lei Shaobao was a treasure in the navy, but his skills were so good that several generals were helpless. In addition, his father was Lei Meng, Yang Qiu's personal guard at that time, so he could only turn a blind eye.

    But Lei Shaobao didn¡¯t have this realization.  He was still saying something dirty: "I know that those old guys didn't have good intentions. They were afraid that I would cause trouble and drove them out on purpose. Grandma, I will drop two bombs on their heads when I get back." Liu Cuigang didn't do it either.  Since the war between China and the Soviet Union began, the idle navy has sent pilots to Central Asia to gain practical experience. However, this was the first time that they encountered a top fighter who wanted to drop bombs on their troops, so he quickly turned off the radio and chose to listen to  It is pure not to listen.

    Forty minutes later, the three ghost vehicles slowly climbed to the predetermined height.  five minutes later.  The dive bombers that took off first took the lead in targeting the main fort containing the 305mm fortress gun from a low altitude.  A strange scream reappeared on the battlefield as a ghost vehicle began to dive, and also attracted a counterattack from Soviet anti-aircraft fire.  Dense fire spots burst out from the mountain next to the fortress. After a while, the anti-aircraft machine guns in the fortress also joined in, pulling out a dense rain of metal bullets above the fortress.  However, compared with some time ago, the continuous bombardment of the railway cannon has weakened the anti-aircraft firepower a lot. The high-speed diving ghost car was not greatly disturbed. Instead, it accurately threw a gel smoke bomb on the top of the fortress.

    This gel smoke bomb is specially made and is filled with igniting white phosphorus.  Most of them are a viscous substance similar to heavy oil. After being ignited, they will stick to the surface of the fortress for a long time and emit eye-catching orange-red smoke, allowing pilots at high altitudes to see their targets clearly.  After the aircraft group below began to attack.  Liu Cuigang turned on the radio again, and when the orange smoke appeared, the sound of "bombing ready" from the battlefield observation plane came from the earphones.  As usual, he tilted the fuselage first.  So that the engine and carburetor can fully become accustomed to vigorous action.  But this time the ghost car that sat down was not very obedient, and it went around half a circle before turning sideways.  Looking down from the cabin, the entire land is curved.  Vision is distorted and blurred.  While he was making preparations, a group of dive bombers were also on standby.

    This bombing was a series of air force dive and coordination tactics, with a total of 42 sea and air superior pilots participating.  According to the plan, the gel smoke bomb was first used to lock the target, then the No. 20 bomb "kicked the door", and finally the special 500kg No. 22 aluminum-magnesium mixed deflagration bomb.  This kind of bomb can instantly release a high temperature of more than 3,000 degrees, which will melt even steel.

    The orange-red smoke and the large number of aircraft circling overhead made the Soviet troops in the fortress feel something bad for the first time.  "Quick! Go up and put it out." Captain Andreev of the air defense company acted the fastest and immediately asked people to pump water from the fortress to try to put out the smoke.  But when the water gun rushed up, he discovered that the flames attached to the cement not only did not go out when they encountered water, but instead emitted thicker smoke.  "Cover it with soil and get the shovel quickly." When Andreev shouted to the engineers to shovel, he didn't know that the god of death had already roared.

    The operating altitude was too high, and the ghost car was not equipped with a Stuka transmitter, so the Soviet army did not pay attention at first. It was not until it was close to two thousand meters that the anti-aircraft artillery noticed the lone bomber.  "Machine gun, aim at the target! Fire, fire! Don't be afraid, they can't blow up our fortress." The bombers overhead made Andreev ignore the covering soil and jumped into the air defense platform to command the machine gun.  operateThe machine gunners were used to the bombings above their heads. Protected by thick cement steel plates, no one took them too seriously.

    When Andreev commanded three water-cooled heavy machine guns to fire, Liu Cuigang was fighting the ghost car.  Because the No. 20 bomb was too heavy, the plane plummeted almost immediately after he pushed the stick, and the speedometer instantly changed from 300 kilometers per hour to nearly 900 kilometers per hour!  Although the ghost vehicles that dropped No. 20 bombs had been reinforced and modified, the dive speed of 900 kilometers was enough to cause them to fly apart!  Moreover, due to the heavy weight of the bullet, the flight path is extremely unstable during the dive, and the operating rod is stiffer than an iron rod!  "The airbrake is half open! Use tail rudder control to avoid entering the spiral! Turn on the automatic recovery device early!" At this time, Lei Shaobao, the most experienced person, realized something was wrong and immediately shouted a reminder.

    The sound saved Liu Cuigang¡¯s life. He quickly opened the speed brake halfway, put his finger on the red automatic recovery button, and stepped on the tail rudder board with both feet to prevent the aircraft from entering a spin.  As the distance gets closer and closer, the fortress in the eyes becomes more and more colorful, and the orange-red smoke has even turned brown.  He understood that this was a common blackout phenomenon during high-speed dives, but it was just because the bomb this time was too heavy and the dive speed was too fast that it arrived early.

    The shells exploded around him, and the gray clouds of smoke were as gorgeous and deadly as fireworks. From time to time, fine impact sounds could be heard coming from the armor.

    Everyone who saw this scene was worried. From the ground, Liu Cuigang and his ghost car looked like a rocket falling vertically.  Whizzing down from 4,000 meters at a vertical angle of nearly 90 degrees!  "1200, 1000, 700. Liu Cuigang stared at the counter. If he wanted to hit the small target accurately, he had to drop the bomb at a lower altitude. To deal with the small flat roof of the fortress, it would take at least 300 meters. So when they set off, they decided  , controlling the bomb drop height to 300 meters.

    When the counter flashed to 300 meters, Liu Cuigang pressed the bomb release button.  After a slight shock, the fuselage suddenly decelerated as if a heavy burden had been lifted. The automatic recovery device sensed that the bomb was detached, and also opened the honeycomb speed brake to the maximum.  Then control the airflow under the flaps to lift the nose of the aircraft.  "Get up, get up! Get up!" The slow response of the automatic recovery device made Liu Cuigang and everyone else shout loudly. Seeing that the plane was about to hit the fortress, the bomber finally made some movement and made an almost V-shaped movement.  The action changed from a dive state.  Countless shells and bullets chased the plane's butt, but by this time it was too late.

    The sharp warhead containing a large amount of tungsten powder and hardened easily broke through the first layer of cement. When the balance wing of the tail of the projectile was torn apart, the head had already passed through the 150 mm steel plate.  certainly.  All this was indistinguishable to the naked eye and ears. Captain Andreev only heard a rumbling crash, and then the fortress behind him was shrouded in smoke and dust.  In the retina, there was only a black afterimage tearing apart the ceiling at high speed.  Then it quickly disappears downward.

    The power of the No. 20 bomb was astonishing. Although it was weaker than the 2.2-ton model of later generations, it still penetrated the second layer of cement boards in the fortress and exploded after damaging the third layer.  "Boom!" The enclosed space unleashed the power of 28 kilograms of inert TNT.  In an instant, the two-meter-thick cement leakage board on the second floor was blown away, and the shock waves and fireballs that spewed out continued to spread and eventually filled the entire space. Finally, the five-meter-thick top cover with steel plate sandwich was poked out with a diameter of  A four-meter hole!  The huge fireball soared hundreds of meters into the sky!

    Later actual surveys proved it.  The No. 20 bomb dropped by Liu Cuigang not only penetrated the roof, but also penetrated the second layer of 2 meters of cement, and exploded after hitting the third layer of damaged structure. The actual total penetration depth was close to the astonishing 6 meters of reinforced concrete.  Mixture (the cement grade at that time was low, and one meter of modern special cement was approximately equal to about 2.5 meters at that time).

    "It's hit! It's hit! Haha, it's hit!" The fireball suddenly poured out from the top of the fortress, causing Dai Jintang and other officers in the battlefield observation machine to shout wildly after having been holding it in for a month.  But for Andreev and the Soviet soldiers inside the fortress, the terror had just begun.  Due to the internal twists and turns and multi-layer structure, the No. 20 bomb with a small charge could not completely destroy the bottom layer.  When Andreev wiped the blood from his face and directed everyone to prepare to escape, the second dive bomber carrying a No. 22 aluminum-magnesium mixed deflagration bomb descended from a low altitude and accurately dropped the bomb into the gap.

    The deflagration bomb is different from the ground-penetrating bomb. It uses a trigger fuse and explodes immediately after hitting the damaged second layer of steel bars.  The powder mixed with special substances such as aluminum and magnesium spread rapidly in the explosion and instantly turned into a huge expanding fireball.  In an instant, the entire fortress was filled with flames, and all the curved structures and internal rooms did not escape the sea of ????fire.  Before Andreev could even feel it, his body quickly shrank and turned into a fireball.  What's even more terrifying is that the flames reaching 3,000 degrees burned through the fire door at the bottom and entered the warehouse where a large amount of propellant was hidden.

    "Boom." Like an earthquake, more than two hundred 305mm grenades and propellants were detonated by the flames. The cement roof weighing hundreds of tons was completely blown away. The entire fortress was like an internally exploded egg.  It expands and turns into a ball of fire.  ?The soldiers on the ground who could not see clearly just now were also shocked. No one thought that the reinforced fortress that had troubled them for a whole month and left six armies with a total of 700,000 soldiers at their wits' end could be completely wiped out so easily!  The mushroom cloud that was more than 500 meters high announced the end of the fortress era!

    Liu Cui, who was completely wet, returned to the height, stared at the destroyed fortress, and clenched his fist fiercely: "Shaobao, it's your turn."

    "Just keep an eye on it! Unit No. 2 is in place, and the gel smoke bomb will guide me!" (To be continued)
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