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After confirming that the aliens were not a problem and would not engage in any military confrontation, the astronauts who landed on Mars were replaced by the astronauts in the Spore ship floating in orbit.

After all, in the beginning, to prevent the aliens from attacking the astronauts, the astronauts who landed were basically those with more combat value than scientific research value. Now that it is safe, of course, the scientific researchers with greater scientific research value should be replaced to improve the scientific research capabilities of the Mars base.

The aliens and the Americans all left. They were not in a hurry to study the alien spacecraft, so they all took the car back.

After returning, Tang Chao went to report the situation to the Earth Command Center, and the others began to formulate a research plan for the alien spacecraft starting tomorrow, while chatting about today's events.

"We treated them according to the highest standards, but they turned around and kidnapped the aliens. They are really not good people."

"That's right. I thought those two astronauts had some lofty ideals like us, but I didn't expect them to be completely puppets manipulated by politicians, doing whatever they were told."

"Hey, actually they have no choice. Let's say less. We are just lucky to have a leader like Director Tang. Let's talk about how to study the alien spacecraft."

"Director Tang didn't just chat with the aliens for nothing. He has already compiled a rough technical outline. This time we have the real thing, so the research should be very directional and won't go down any detours."

"I found that the Americans only took some dispensable things. Large modules cannot be disassembled, which I can understand, but why didn't they disassemble the storage module that recorded all the information?"

"Doesn't this fully demonstrate that the aliens were coerced? It is estimated that the aliens fooled them, and they may also feel that capturing the aliens is enough. After all, among the four aliens, there are two scientists and one engineer. Mr. Linas is still the assistant scientist of the chief scientist, so he should know a lot of scientific and technological information."

"The aliens were kidnapped. It is estimated that it will not be easy to get them to cooperate. Now Director Tang is reporting the situation to the headquarters, hoping that the country will quickly unite with other countries to put pressure on the Americans..."

After a while, Tang Chao completed the report and told the Earth the situation as it was.

There was not much to say, the main event was that the Americans kidnapped the aliens, and the basically completed spacecraft was left behind.

That is, what the aliens had repaired it to before, it is basically still like now.

The Americans did not cause more damage to the spacecraft when they left, they only disassembled some unimportant small things, so it can be carefully studied by scientific researchers up and down, front and back, inside and out, which is a blessing in disguise.

Telling Tianxia(天夏: Sky Summer, a name for China) and the Pathfinder(领航者: Leader/Navigator) Joint Command Center is telling them "you can fight back".

Before the aliens return to Earth, fight as much as you can, and you can also bring all countries except the Americans together to fight the Americans, and you must not let them "swallow" the aliens alone.

There are a few months to do this.

And he himself will take the Spore to chase the Enterprise.

He himself knows that he will definitely catch up. Everything is under his control, but what he said to the ground is "hope to catch up", showing a certain pessimism, so that the "firepower" on the ground can be more fierce.

It's just that when he leaves, the scientific researchers on Mars will not have an emergency escape spacecraft. Not only can they not leave the surface of Mars, but they can't return to Earth.

The Spore carries a total of two landing craft. The first one was used for the first landing. After the base was established in the place provided by the aliens, the first landing craft took the armed personnel back to the Spore, and then the second landing craft took the scientific researchers down.

So the second landing craft only has fuel for one takeoff. The two landing craft only have this one chance to take off. After Tang Chao leaves, the scientific researchers will not be able to touch the sky of Mars again in a short time.

Regarding this... the scientific researchers don't care.

With the Martian environment and alien spacecraft for them to study, without media, politicians, or capitalists to disturb their research, they would like to do scientific research here for a lifetime.

Compared to the two American astronauts who were complained about for not having dreams and ideals, they have many dreams.

Of course, Tang Chao, who has greater ideals, will not let them have no guarantee here.

First of all, the two survival cabins are the first guarantee. Even if one survival cabin fails, there is another survival cabin that can be used. With one survival cabin as the "foundation", and with the powerful powered spacesuit, it is enough for them to repair the other survival cabin.

Moreover, in space, there is already another spacecraft on its way.

Previously, it was a "Mars probe", but because of the super ion thruster trial type, the mass of 32 tons, and the characteristics of multi-functional module combination, it became an "unmanned Mars probe spacecraft".

Yes, it is the probe spacecraft that carried the "large Mars unmanned helicopter" and the "large Mars unmanned rover". Although the goods it carried were destroyed by the aliens, its propulsion module is still wandering in Mars orbit, honestly waiting for the sampling rocket to take off.

Later, the manned Spore came, and the propulsion module of the unmanned probe spacecraft could not be wasted like this, so Tang Chao asked it to return.

After returning to Earth orbit, scientific researchers and engineers modified it. In the orbital maintenance cabin/module in the Tianting(天庭: Heavenly Court, name of China Space Station) space station, they replaced it with more efficient solar wings, so that the power of the ion thruster can be increased even higher, so that it can carry more cargo.

The unmanned probe that set off again to Mars, or it is more appropriate to call it an unmanned cargo spacecraft now, its overall mass has reached 90 tons.

Yes, it is almost three times the previous one. If it is in the Earth environment, the thruster pushing this exchange ratio will definitely not be able to fly, but it is different in space.

In space, there is almost no gravity and no resistance. As long as there is a little thrust, the object can continue to fly forward.

The advantage of the ion thruster is that it consumes very little "fuel" and can accelerate for a long time. As long as there is enough time, it can push the spacecraft to a very fast speed.

The Pathfinder's thruster technology is even more superb. It can have a considerable thrust at the beginning, so even if there is only one thruster, even if the current position of Mars and Earth is not close, it can still fly to Mars within two months.

What's more, with some modules of the Tianting space station, Pathfinder can play even bigger.

That is to put two liquid fuel thrusters on the cargo ship, directly giving the cargo ship a violent initial velocity. When the speed comes up, they can leave the spacecraft, use the remaining to decelerate themselves, and then wait for the "space tuk-tuk" to pick up the garbage and pick themselves up along the way.

After getting back to the orbital maintenance cabin/module, do some inspection. If there is no problem, use it again next time.

With a very high initial velocity, the ion thruster is not only fuel-efficient, but also reduces acceleration time, which is very easy to use.

The mass of 90 tons includes the dead weight of the propulsion module, a standard Mars landing ship, and an orbital supply storage.

This supply storage is very important. If an accident occurs at the base, the astronauts can take the landing ship to Mars orbit. If they dock with this supply storage, they can use the materials inside to survive for a month or two, enough for the Earth to send a spacecraft to rescue them.

Now the unmanned cargo spacecraft is flying towards Mars. Although Mars is already a bit far from Earth, the distance will be even greater when the spacecraft flies there, but the farther distance will allow the spacecraft to accelerate for a longer time and allow the spacecraft to obtain a faster speed, so the time required to arrive is not much longer.

At most within a month or two, scientists on Mars can once again obtain sufficient security.

In fact, as long as they follow the operating procedures, the two survival cabins are enough for them to toss about. There is really nothing on Mars that can hurt them. The Americans with bad character are gone. The biggest damage of the legendary dust storm is only that the base's power is insufficient. The story of blowing up rocks and smashing the base only exists in science fiction works.

By the way, there is also the "one in a million" probability of being hit by a meteorite, that... that is really no way, you can only run away.

Relatively speaking, the Crimson Base is not only safe, but also very "luxurious", at least more luxurious than the Mars landing initially conceived by humans.

On the other hand, the arrival of the four aliens has made the already frugal Enterprise even worse.

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