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The 500-kilogram aerial bomb, dropped from a height of thousands of meters, has huge kinetic energy, enough to penetrate any battery or fortress of the Russian army's defense line in the Sikhote Mountains. Moreover, these forts or forts may be very strong in defense around them, but they are slightly lacking in tops. In such a situation, the Russian army's batteries or fortresses have no way to resist at all. It's just that dropping bombs from an altitude of thousands of meters is affected by many factors, and the accuracy is a little worse.

"The first, did not hit the target, prepare the second!" On a 'Kunpeng-class' heavy airship numbered 00, Air Force Commander Lieutenant General Long Feiyu held a telescope and observed the bomb point just now. This bombing operation can be regarded as the first time that the Air Force has applied it to actual combat, and he, the commander of the Air Force, is also very concerned, so he personally participated in this operation.

"The second one is ready!" The weapon operator replied.

Soon, the second aerial bomb was dropped from the hanging basket at the bottom of the airship and smashed in a straight line towards one of the Russian batteries. Compared with the first aerial bomb before, the second aerial bomb is much more accurate.

The aerial bomb, weighing 500 kilograms, penetrated the top of the turret and entered the inside of the turret. Subsequently, tens of kilograms of explosives in the aerial bomb were detonated, and an orange-red flame burst out from inside the battery, the entire battery. In the explosion, it was reduced to rubble. The Russian soldiers and artillery inside were all destroyed.

"Good, next target!" Lieutenant General Long Feiyu was overjoyed.

Dozens of airships wreaked havoc on the defense line of the Russian army's Sikhote Mountains, and the aerial bombs that fell from the sky destroyed the Russian army's batteries, fortresses and permanent firepower points one by one, not only causing a devastating blow to the Russian army's fortifications, but also frightening the Russian army.

"The Chinese are really devils. The magic dragon they ride can destroy our fortifications with ease! Many Russian soldiers thought in horror. One by one, they no longer wanted to enter the fortifications, but turned around and fled to safety.

"Shoot! Knock down these Chinese airships for me! Major General Andrei said angrily, and his eyes were also full of horror. If the squadron's airships are allowed to bomb indiscriminately, the entire defense line of the Sikhote Mountains will be destroyed and the strong fortifications will be lost. With only one of his divisions of more than 10,000 people, he wanted to resist the attack of more than 100,000 people of the Second Army. That's simply not possible.

Some brave soldiers, raising their rifles, shot at the airship in the sky.

"Bang bang bang!" The crisp sound of a rifle sounded like fried beans, and bullets flew towards the Chinese airship in the sky. However, at an altitude of thousands of meters, ordinary rifles could not reach it at all, and they could only watch the Chinese Air Force's airships drop bombs with great force.

"Run! The Chinese airship simply cannot be destroyed, we will leave it behind. There is only one dead end! "The Russian soldiers, who had originally plucked up their courage, found that the rifles could not threaten the airships of the Chinese Air Force at all, and they were all frightened and did not dare to continue the confrontation.

"Boom! Rumble! Rumble! "Twenty heavy airships, dropped eighty 500-kilogram aerial bombs, mainly on the Russian artillery batteries and fortresses, and the bombs were dropped for a full hour. The strong fortresses and batteries of the Russian army on the defense line in the Sikhote Mountains were all destroyed, and none of them were spared. Forty medium airships, one hundred and sixty aerial bombs of the 250-kilogram class were dropped. These aerial bombs are mainly aimed at the permanent fire points of the Russian army and anti-artillery holes. Although it is limited by the accuracy of the bomb, under the intensive strikes, the permanent firepower of the Russian army has been left with one in ten. The Russian 6th Infantry Division, which guarded the entire defensive line, suffered heavy losses, and the surviving Russian soldiers also lost the courage to continue fighting.

At half past one in the afternoon, after the airship troops finished dropping bombs, they swaggered around and flew westward, preparing to return to Yanji, where tomorrow they would bombard the second line of defense of the Russian army and cooperate with the attack of the Second Army on Vladivostok.

"Haha! The Air Force is really powerful! Lao Maozi's strong fortresses and forts, like papier-mâché, were blown up, and this time, no one could stop us from attacking! Artillery was ordered to open fire at once and carry out a covering artillery bombardment of the Sikhote Mountains of the Russian army. Twenty minutes later, the army attacked! Major General Xie Dingkun, commander of the Second Group Army, said excitedly, sweeping away the decadence of the previous attack when it was frustrated.

"Boom! Rumble! Rumble! "More than 300 heavy artillery pieces of the Second Army began to shell, and dense shells bombarded the Russian defense line in the Sikhote Mountains. Although the power of these shells is far from being comparable to the aerial bombs of the Air Force, they are superior in number. The broken defense line of the Russian army can no longer provide protection for the Russian army, and under the fierce blows of the artillery of the Second Army, the losses are even heavier.

After twenty minutes of shelling, the Russian defense line in the Sikhote Mountains was already in ruins. Because of the anti-artillery holes and the like, many of them were destroyed by the airship units of the Chinese Air Force, so that these Russian troops had no place to hide, and under the heavy shelling, they could not dodge, and suffered heavy casualties. The Russian soldiers who survived by luck were already frightened and had no courage to continue fighting, let alone continue to fight.

At this time, the 42nd and 2nd regiments, which had already been prepared, jumped out of their positions and launched an attack on the Russian defense line in the Sikhote Mountains. The Russian army's fortifications have been basically destroyed, and the officers and men of the Russian 6th Division have also suffered heavy losses, and they are simply unable to form a favorable resistance to the attack of the squadron.

In less than half an hour, the squadron broke into the Russian army's defense line in the Sikhote Mountains. Most of the surviving Russian troops, including Major General Andrei, the commander of the 6th Division of the Russian Army, have already fled. The defense line of the Sikhote Mountains of the Russian army fell into the hands of the squadron without much effort. The door to Vladivostok has been opened.

"Commander, we have taken the Sikhote Mountain defense!" Zhang Shusen, chief of staff of the Second Group Army, reported to Major General Xie Dingkun with a happy face. It is really unbelievable that this line of defense, which had put the Second Army with heavy losses, has now changed hands so lightly.

"Haha! Okay, order the 4th and 2nd divisions to attack Vladivostok at once! Keep moving forward! Major General Xie Dingkun said with great joy.

The 2nd Army, with the 4th and 2nd Divisions as the vanguard, advanced towards Vladivostok. After conquering the defense line of the Sikhote Mountains, it was faced with a defense line north of the second river on the back side of Vladivostok. The defense line here is still very strong, not inferior to the defense line of the Sikhote Mountains. After a trial and finding that it could not be breached, the Second Army immediately stopped its offensive and assumed a defensive posture, waiting for the arrival of the airship troops tomorrow. Now that there is such a sharp weapon as the airship force, there is no need for the Second Army to pile up human lives. If it weren't for the fact that Yanji, where the airship unit was stationed, was too far away from Vladivostok and could only bomb once a day, the efficiency of the offensive would have been greatly improved.

The news that the defense line of the Sikhote Mountains was lost, and the captain of the squadron drove straight into the second river defense line caused a great shock among the Russian troops in Vladivostok. The Governor-General of the Far East, Alekseyev, despite the pleas of Major General Andrei of the 6th Division, forcibly shot the opponent. The loss of the Sikhote Mountains defense made him very angry. Before, Major General Andrei also swore to him that he would be able to resist the attack of the squadron and let the squadron break its head on the defense line of the Sikhote Mountains. But in just a few days, the defense line of the Sikhote Mountains was breached, and the 6th Infantry Division also suffered heavy losses. Although, this is due to the fact that the squadron dispatched the secret weapon of the airship, but it still does not satisfy Governor Alekseev.

Next, Governor Alekseev demanded that the second line of defense of the river must hold its positions, and at the same time, call the military generals in Vladivostok to think about ways to crack the airships of the Chinese Air Force. They simply didn't have anything to do with this new weapon, which had never been seen before.

Wang Yuze also learned about the Air Force's performance in the Sikhote Mountains, and greatly appreciated this. The air force will undoubtedly be a revolution in the war, and the squadron has once again gone to the front of the world. Wang Yuze can be sure that this will certainly attract the attention of other powerful countries in the world.

In the evening of the same day, the German ambassador to China, Lucas, approached him, hoping to buy advanced airship manufacturing technology from China. Germany has a strong industry, but there is still a big gap to beat Britain. The Chinese Air Force's strong performance undoubtedly shocked the German side once again. With Germany's industrial strength, if they have the relevant technology, they can even produce thousands of airships. When the time comes, the overwhelming airships will fly over the English Channel and launch indiscriminate bombardments against Britain, and they will definitely be able to defeat Britain. Kaiser Wilhelm II even issued a death order, requiring Lucas to obtain the construction technology and design drawings of the airship no matter what method he used.

Wang Yuze did not refuse, this is a good opportunity for all countries in the world to vigorously develop airships. After some bargaining, a complete set of design drawings and techniques for a heavy airship was sold to Germany for ten million pounds. However, the deal was not paid in cash, but was deducted from the 30 million ships that China owed to Germany. That is, after handing over the design drawings and technology of the airship to Germany, China only needs to build warships worth 20 million pounds for Germany.

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