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Chapter 807 Shooting missiles in the tunnel

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    The missile that was pushed into the tunnel slid all the way deep into the tunnel under the push of the flatbed truck.

    Although it is a missile, because the tunnel is not a complete branch line, a flatbed truck is still needed to deliver the missile to the appropriate location, and it cannot be ignited directly at the entrance of the tunnel.

    However, the military made preparations in advance when designing the tunnel. The tunnel is more than 4,000 meters long and has a vertical depth of 1,500 meters. Although the last section has not been completely completed, it has met the initial design requirements.  The use of nuclear bombs can be guaranteed.

    As for the military, it is said that Chen Xin was asked to modify the missile in order to penetrate the last layer of more than 100 meters deep, so as to achieve the purpose of detonating the nuclear warhead directly in the nest of alien creatures.

    Although launching a missile in a tunnel sounds unbelievable, as long as the tunnel is straight and long enough and the missile can remain stable after ignition, it is not impossible to ignite and launch the missile in the tunnel.

    Although this is as dangerous as flying a plane through a tunnel, any change and jitter in the airflow may cause the missile to deviate from the predetermined trajectory and hit the tunnel wall, affecting the hit, but it is still feasible after all.

    This ground-penetrating missile, which has been upgraded and transformed by Chen Xin, has been specially optimized in this regard to ensure that the missile can successfully reach the bottom of the tunnel and penetrate the ground more than 100 meters deep, carrying a large number of missiles.  The warhead part of the nuclear bomb is sent into the alien creature's lair.

    The speed of the flatbed truck is constantly accelerating. Although there is no one driving it, through remote control, this modified flatbed truck has gradually approached its speed limit.

    "Boost rocket ignition!" In the remote control room on the other side, it was seen that the flatbed truck had reached the predetermined depth. The booster rocket installed on the flatbed truck for acceleration began to work, further increasing the speed of the flatbed truck.

    At this moment, everyone in the remote control room seemed very nervous. This was the first time for them to do this kind of thing. They had not done any exercises before. Everything was just a plan derived from computer simulation. At most, it was only on Chen Xin's side.  Several simulation tests have been run in the virtual system.

    Actually, this is the first time.

    However, this first practical operation is actual combat.

    So no one dares to guarantee that it will be successful this time.

    But equally, everyone knows that no failure is allowed in this missile launch.

    The reason is also very simple. What they fired was not an ordinary missile, but a strategic nuclear missile with a yield of one million tons. Once the position of the explosion deviated, it would not be able to complete the scheduled mission, and other impacts would be likely to occur.  It¡¯s a responsibility that no one can bear.

    "However, with Chen Xin's upgrades and adjustments to the missile, the entire launch process has also gone through several simulation tests. In theory, there will be no problems.

    Just when everyone was sweating, the staff member responsible for reporting the situation suddenly shouted loudly: "The missile is about to enter the horizontal section!"

    "Separate the first stage booster rocket!" The person in charge of the launch also issued his order loudly.

    This order was executed accurately. When the missile entered the horizontal section, the first-stage booster rocket that had completed the acceleration work was smoothly separated from the flatbed truck. At the same time, the second-stage acceleration rocket  Also ignited smoothly.

    According to the predetermined plan, the first-stage rocket booster allows the flatbed truck carrying the missile to pass through the first section of the tunnel diagonally downwards. After entering the horizontal section, the second-stage acceleration is performed. After leaving the horizontal section, the missile itself will start  Light the fire and work your way down to the bottom of the tunnel.

    The main reason for this arrangement is that no one has ever fired missiles in underground tunnels. There is a horizontal section in the tunnel that was built to allow the troops to better engage in combat and was planned to be expanded into a logistics base in the future. Naturally, it cannot  Just let the missile ignite and fly by itself.

    However, when the missile leaves the horizontal section, the missile itself will separate from the flatbed truck after ignition, further increasing the speed.

    This is also to increase the speed of the missile as much as possible. After all, in the tunnel, due to various influences, it is impossible for the speed of the missile to break the sound barrier. Therefore, in order to increase the speed of the missile as much as possible, it can only pass through  Multi-stage rocket acceleration is used to increase the speed of the missile as much as possible.

    The engine of the missile itself has been adjusted. Although it will not accelerate the speed of the missile to break the speed of sound, it will keep the speed of the missile as close to the speed of sound as possible to provide it with more kinetic energy.

    As for how a missile that has not reached the speed of sound can penetrate the ground more than a hundred meters away, this is what Chen Xin's transformation requires.The purpose was achieved.

    In fact, the principle of the missile's ground-penetrating warhead is similar to that of the discarding sabot armor-piercing projectile. The outer shell is made of softer materials. After hitting the target, an inner layer made of hard material is wrapped in the outer shell.  The warhead uses powerful kinetic energy to penetrate armor or ground.

    It's just that Chen Xin used some imaginative designs on this missile. When the missile hits the target, the hard armor-piercing warhead carrying the nuclear bomb inside will be shot out like a shell in the barrel, making it  The speed breaks through the speed of sound and acquires enough kinetic energy to penetrate more than a hundred meters of ground.

    This kind of design is certainly not found on serious missiles. It is completely based on Chen Xin's imagination and then forcibly upgraded it using the system upgrade function.

    After all, no missile would consider launching in a tunnel, let alone how to make a nuclear warhead penetrate the ground more than 100 meters deep and detonate more than 1,500 meters underground.

    As for why the missile needs to be accelerated after Chen Xin has upgraded it with a warhead that can penetrate more than a hundred meters deep, it is to enable the missile body to penetrate the pile of sediment at the bottom of the tunnel.  A body ten meters long.

    Of course, these corpses are not as hard as the ground, but the gaps between the large number of corpses and the softness of the corpses themselves are excellent buffer materials. If the missile cannot be accelerated to a certain level and forcibly penetrates these corpses, it will be  The missiles were stuck among the bodies.

    In this case, even if Chen Xin¡¯s upgraded warhead can penetrate the formation, it will be affected, lose a lot of kinetic energy, and may even be unable to penetrate the formation.

    Relying on the guarantee of these measures, the missile finally plunged into the corpses at the bottom of the tunnel, and relied on its strong thrust to penetrate the layers of corpses and reach the bottom of the tunnel.

    "Bang!" An earth-penetrating warhead like a steel needle, which was much thinner than the missile, was shot from the top of the missile and penetrated into the ground in an instant.

    Then everyone in the remote command room felt the ground beneath their feet shaking.

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