Chapter 639: Start

　　 When the planetary thruster started, the thrust from the thruster directly pushed the planetary thruster down for a full 20 meters.
　　 The harsh sound of metal rubbing and twisting reverberates over Merced I.
　　 Fortunately, the Titan Group installed a support net underground when designing it, so that the planetary thruster did not drill into the star underground due to its own thrust.
　　 "The planet's rotation starts to slow down!"
　　 "The energy response caused by a large amount of friction at the contact of the earth's crust was detected!"
　　 "The planetary crust has begun to shift slightly!"
　　 "Planetary thrusters 1-27 are on standby, planetary thrusters 28-54 start to ignite!"
　　 Inside a heat condensing tower of Merced I, a group of workers are staring nervously at the big screen in front of various workbenches.
　　 This room is the control room responsible for controlling the operation of the planetary thruster. The low temperature close to absolute zero around the heat converging tower becomes the best protective layer for the control room.
　　No monster wants to attack these heat constricting towers at such a low temperature.
　　 The entire control room is very quiet now, because no one is sure that this plan will succeed.
　　 At present, the change in the angle of the thruster caused by the sinking of the planetary thruster has caused the planetary orbit to be recalculated more than 400 times.
　　 Fortunately, the planetary thruster can be repositioned by the support frame, otherwise the trouble will be even greater.
　　 "The planetary crust has begun to undergo large-scale displacements, and a large number of earthquakes above 9.5 magnitude are expected to occur!"
　　 "All the repair teams have been in place and began to strengthen the planetary thrusters for the second time." As the planetary thrusters are turned on, they have basically maintained a stable state. This is the best time for the second reinforcement.
　　 Thousands of fixed brackets with a length of 50 kilometers were inserted into the ground from around the planetary propeller, and the planetary propeller was firmly fixed in it.
　　 Then, a large amount of foam spewed out from the planetary propeller, spreading from top to bottom, until it finally wrapped the planetary propeller into the appearance of a volcano. At this time, the foam suddenly solidified and became as hard as steel.
　　 "Second reinforcement is complete, ready to face the earthquake." Before the controller's voice fell, everyone felt as if they were thrown from the ground.
　　 If it is a normal earthquake, everyone may only feel the house shaking.
　　 But the earthquake caused by pushing the planet directly lifted the earth like the sea, and the undulating earth is like the waves in a storm.
　　You can imagine what happens to the buildings on these rolling "waves".
　　 Fortunately, the reinforced range of the planetary thruster reached a radius of hundreds of kilometers. Although the surrounding land was rolling, only violent vibrations were felt near the planetary thruster, and it did not start to fluctuate.
　　 "Recalculate the flight trajectory and start the angle homing."
　　 "A large number of mobile signals are rushing to the ground underground, it's monsters!" A staff member put down his headset and reported heavily to the officials behind him.
　　 "Let the mecha troops get on, you must drag these monsters!" Tang Shizhe gritted his teeth. The cost of a planetary propeller is as high as 100 tons of red energy liquid. The destruction of any propeller is a loss he cannot bear.
　　 The most important thing is that as a propeller is destroyed, the thrust used to propel the entire planet may be insufficient, and then the entire plan will be like a domino!
　　 "This plan consumes at least two million tons of energy liquid in our group! It must not fail!" Tang Shizhe put his hand on the shoulder of the staff sitting in front of him and gritted his teeth.
　　 "Understood! We are overloading the heat concentrator and try our best to keep the temperature of the ground going down." The staff nodded.
　　 At the same time, under the Merced I star, tens of thousands of monsters of various sizes are rushing to the ground along the tunnel dug when they come in.
　　 The plate motion caused by the planetary thrusters directly affected the safety of their hiding in the ground.
　　 There are even more than a dozen relatively large marine species that have been squeezed to death by the altered underground environment, and they have to recover the cells from the dead marine species.
　　 Originally, they didn't want to go to the ground. After all, the ground has now reached more than 200 degrees below zero. They are a waste of energy to go to the ground.
　　 But now the underground is no longer safe. Although there is geothermal energy that can be absorbed, the caves that may collapse at any time allow them to return to the ground.
　　 "Blow up these caves and delay their return to the ground!" Tang Shizhe pointed to the underground passage on the topographic map like ant caves and commanded.
　　 "Yes! The ground control center calls the mobile turret and fires electromagnetic guns at the coordinates."
　　 A few minutes later, the mobile turret fixed on the orbit of the planetary shield moved above the target.
Ideal is full, the reality is very skinny.
　　 Although the heavy artillery fired from the mobile turret destroyed the underground passage, it did not cause much hindrance to the movement of the monster.
　　 There is no way, Tang Shizhe can only send out the first troops, and must destroy these monsters before they get close to the planetary engines, or if they can swallow the planetary engines and figure out how to operate, things will be a big deal.
　　 Tang Shizhe can't imagine what kind of disaster a monster planet that can navigate the universe on its own will bring to the galaxy, not to mention that they are so infectious!
　　 Upon receiving Tang Shizhe's order, Isis controlled a thousand mechas and stood in a big circle~EbookFREE.me~ surrounded the position where these monsters were about to come out.
　　 "Prepare!" Tang Shizhe looked nervously at the topographic map in front of him.
　　 Isis squatted on the ground and made a jump pose, and pulled out a huge hammer from behind by the way.
　　 Yes, Tang Shizhe found that the attack power of his fists was still too small, so he equipped these mechas with hydraulic hammers that could increase the impact.
　　Through the hydraulic device on the top of the hammers, these hammers can explode twice as much as a fist!
　　 "It's now! Attack!" As Tang Shizhe yelled, thousands of mechas took off at the same time and jumped into the air with the help of the propeller behind them.
　　 At the same time, along with the violent shaking, a strange land species rushed out of the ground.
　　The mechas that had entered the attacking state paused in mid-air. Following a large burst of flames from behind, all mechas rushed down from the sky with their hammers, and the hammers in their hands swung towards the monsters that had just emerged.
　　 The mobile turrets in the sky also aim all the monsters whose muzzles are aimed at the ground. Although they can't directly kill those monsters, they can still protect the back of the mecha.
　　 The cold air on the ground made the original hard outer armor of these monsters extremely fragile, and the hammer could easily break this piece of scale armor.
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