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In space low-Earth orbit, about 356 kilometers away from the ground, a huge artificial object is being constructed. This artificial object is 112 meters in diameter and 453 meters long. The whole shape is like a huge stretched mushroom.

"George, please answer when you hear it!"

Around this "space mushroom", there are some spacecraft floating. These spacecraft look similar to small space stations from the surface, with pipes extending outward from below and connecting to the "space mushrooms" not far away. From a distance, it looks like a slender limb extending outward from the body of the "space mushrooms".

"This is George, this is George!" A clear reply came from the communicator. Doolittle and his assistant controlled the console, staring at the fluorescent screen in front of him: "How are you there? Please report the situation."

"Everything is good, please rest assured..." George's voice came from the communicator.

"Please conduct the final internal inspection, report the results after the inspection is completed, and wait for the closing instruction."

"Understand, conduct the final internal inspection and wait for the closing command." George replied.

After finishing the call, Doolittle typing on the keyboard for a while, then pressed on the chair, and the whole person floated up in weightlessness, kicked the bulkhead with both feet, and easily "running" to the rear of the cabin under the reaction force.

Today is the critical moment when the last part of the Hades spacecraft is closed. At the "Space Mushroom", which is the latest name around the Hades spacecraft, those floating and connected spacecraft are actually the command center and facility attachments for construction work. Their main functions are similar to scaffolding, crane and other facilities for ordinary building construction. Of course, the construction of such spacecraft in space is different from the ground. These facilities attachments not only require construction work, but also require the construction staff to rest. In addition, they also need to use the power they carry to increase the orbital height for the entire spacecraft before construction is completed.

In space low-Earth orbit, due to the influence of the earth's attraction and atmospheric resistance that orbits around the orbit, space vehicles, including satellites, space stations, etc., will experience continuous decline in orbits. Therefore, in order to prevent crashes caused by the orbital height from being over the bottom, the orbital height must be frequently raised to ensure that they do not operate out of orbit.

From the early stages of the entire spacecraft construction, the United States has built these spacecraft to solve this problem, and can also use them to build and construct the spacecraft as ancillary facilities. From the current perspective, this plan is very effective. After more than three years, the main structure of the entire Hades spacecraft has been basically completed. After only the last part is closed today, it marks that the construction of the Hades spacecraft has come to an end.

Dulite came to the back of the cabin and could clearly see the space outside through the circular window. More than 500 meters away, an irregular construction of about 60 cubic meters was firmly grasped by four huge robots. Below the construction is the tail of the Hades spacecraft. 99% of the overall surface has been completed, and this cavity is inlaid with the position of this construction. As long as the construction is placed according to the procedure, the construction and the main body are closed by the astronauts who have entered the interior of the Hades spacecraft and the operators outside cooperate with each other, it means that the structure is completed.

Dulite is the engineering commander and one of the external operators who perform the closing. He is very clear that work like this must not make mistakes. If there is a slight error, it will not only damage the structure of the spacecraft, but also cause delays in the entire plan.

"Hull, how are you there?" Dulite asked to the operating room on the other side through the communicator. This time, the operation of the external operator is crucial. Four huge robots will be carried out simultaneously by the external operators of the two operating rooms. Another external operator who is also responsible for this important task like Dulite is his colleague and his friend Hull.

"What else can you do? I've been waiting for a long time, and I'll say, can you hurry up?" A lazy voice came from the communicator. If I just listened to the sound, I might think that the other party was a not very reliable person. But as Hull's friend, Doolittle knew that Hull's skills were definitely not inferior to him. If it weren't for his introverted personality and his bad temper, he might have been promoted long ago.

"Be serious about Hull, I don't want to see failure." Frowning slightly, Doolittle warned sternly. You should know that every conversation they have will be recorded. If it is not successful, Hull's tone and attitude alone will be enough for him to drink. As a supervisor, Doolittle knows the style of the big guys above, and he is more excited than anyone else when he succeeds. Once something goes wrong, the first thing he thinks about is how to shirk responsibility. Doolittle doesn't want people to catch a handle because of Hull's casual attitude.

"Ok!" Hull's voice was a little serious: "Everything is ready, wait for the order..."

This serious words came out of Hull's mouth, and Dulite felt awkward when he heard them. He imagined that the expression of Hull saying this must be disdainful. But no matter what, at least there would be no problem with the record. Thinking of this, Dulite answered and understood, and asked Hull to continue waiting for the command, then pushed the bulkhead hard, and rushed back to the console like an arrow.

Back at the console and sat down, the assistant next to him told him that George inside the Hades spacecraft had sent a message, and the preparations inside the spacecraft were all ready, and the final detection had just been completed, waiting for the final closing command.

"Please pay attention to each group, please pay attention to each group!" Doolittle opened all the communications and began to issue orders as the commander: "The closing will start in three minutes, and now the countdown will be made."

The space low-Earth orbit 356 kilometers above the ground, looking down from space, the huge earth is so clearly visible, blue oceans, green forests, yellow plains, white mountains, striped rivers... and those cities that vaguely shine. But the people on the earth don't know that a huge spacecraft is being built above their heads, in space.

The three-minute countdown passed quickly. As Doolittle's closing order officially began, four huge robots slowly moved, and the entire structure also began to change positions from stationary.

"Hull, be careful to keep in sync."

"Understand, keep synchronously..."

As a long-time friend, the tacit understanding between Doolittle and Hull is incomparable to anyone, which is why Doolittle disagrees with the public and appointed Hull as the second external operator to assist him. Under the tacit control of the two of them, the huge robot hand was like a person's dexterous hands, fiddling with the structure suspended in space, slowly and firmly moving towards the last closed part of the Hades spacecraft.

“100 meters…90 meters…80 meters…70 meters…60 meters….”

When the distance is finally close to 30 meters, the robot starts to slow down and fine-tune it to ensure the correct position.

"George! Please be aware of internal guidance!"

"Received, internal boot starts..."

Inside the Hades spacecraft, George and several astronauts who were ready were ready were ready. As the structure's closed parts approached, they activated the internal boot procedure to ensure accuracy and safety.

"30 meters...29 meters...28 meters...27 meters..."

The speed of the robot begins to slow down again, and the most critical moment is coming. The huge structure is like a slogan that children play with, inserting accurately towards the reserved part. But it is different from toys. For toys, insertion failure can be done again. But if the structural closing fails this time, the entire structure will cause damage in the collision and even affect the formed main part, resulting in delays in the entire plan.

"8 meters...7 meters...6 meters...5 meters..."

As we are getting closer and closer, now from the perspective of the naked eye, the entire structure has almost been closed with the main body, but Doolittle and Hull who are in the manipulation know that the real success or failure is right in front of us.

"Doulite, left 011 degrees!"

Just when he was close to 1 meter in the end, Hull suddenly shouted in the communicator. Doolittle didn't think much after hearing this. Out of trust in his friends, his hands instantly responded. At the last moment when the structure was closed, he completed the left 011 degrees.

"Sir..." The assistant did not expect this situation at the last moment. He was shocked when he was watching the guidance and surveillance. When he was about to stop him, Dulite had already completed the manipulation. At this moment, the structure had reached its position, and the robot began to release accordingly. At this moment, the structure shifted to the right by a very small angle due to the reaction of the robot when it was released. It was corrected at the same time because of the subtle manipulation of Dolite and Hull that was just 011 degrees left was stunned. In the assistant's stunned, the entire structure entered the position in the most perfect posture, with a light shock and the most critical step to close. (To be continued...)

ps: The second update is given, and 120 words are less than 3,000 words. I won’t make up for the words to keep it smooth. Thank you for your support. Please continue to ask for monthly votes! Please recommend votes! r1292

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Chapter completed!