On the probe image, the wolf-tooth-style starship of the Sirius civilization pierced the barrier of the asteroid belt and drove straight in.

Their starships were covered in war scars on the exterior, and after a year of falling apart, not only could the defects not be repaired, but even a small amount of material was thrown out, and the number dropped dramatically from thirty-seven.

The people at the Martian base looked overhead with their eyes, and the starships that looked like colonies in the sky were flying past the side of Mars.

Everyone was afraid that they would be devastated in the next moment.

The other side knows everything on Mars, knows that they exist, and as for what the other side wants to do, it's hard to say.

The spacesuits were sold out, and only 5,000 of them were not enough to meet everyone's needs, and the rest wore makeshift old oxygen tanks, which were at least more inconvenient than none.

Blockades or checkpoints have been set up in the streets and alleys, and the area where Owen once lived has been transformed into a fortress, and scattered in each level according to the standard of a group of fifty people led by an EA with thirty guns.

One of the most severely damaged starships suddenly opened a hole like five silos in the direction of the survey, and a dazzling flash of light erupted from the tail, and the explosion spread rapidly from the rear.

The silo erupts five orbs that detach from the starship as it completely disintegrates into flames, aiming directly over the Martian colony.

Here it comes!

The wreckage from the explosion was captured by the remaining starships, and without even slowing down, they headed for Earth, they had a more important target.

The five spheres that had been sprayed earlier streaked across the sky like meteors, and after a loud bang, they were embedded above the celestial dome.

The Sky Dome bears the weight of the sphere, but it has produced a great deformation, the Sky Dome uses the best material technology of mankind and the design of the best load-bearing structure, the purpose is to prevent meteorite falls, the original construction of this big guy, accounted for basically eighty percent of the colony's capital costs.

In the past, some people always said that they were too careful, but now that caution has finally paid off, if the sky dome is destroyed and the gas is lost, the consequences will be unimaginable.

Just when everyone was glad that the sky was not broken and was still standing firmly on the surface of Mars, the general control room of the Mars base was gloomy.

Because the location of the sphere thrown by the werewolf was obviously premeditated, a total of five energy transmission lines to the central gas circulator above the sky dome were all cut off.

This means that as the internal oxygen is depleted, no new oxygen is produced, and people are unable to breathe air with excessive carbon dioxide levels after about a day, and have to rely on oxygen tanks to survive.

Someone in a spacesuit said that there are a large number of spare and replaceable highly concentrated oxygen tanks stored in the warehouse, and the small concentrated oxygen tanks can be quickly put into the oxygen circulation system on the back of the neck directly by replacing the inserts.

But those who don't have spacesuits are miserable, they have temporary modified oxygen tanks on hand as their only support, there are no more, and it is difficult to replace, according to the time limit of oxygen supply, and the residual power reserve of the oxygen circulation system, they can sustain about a day and eight hours of life.

In the main control room, Owen and Yang Ping, the two current masters of the Martian colony, gathered together to think about the first problem that the Wepus brought them.

The purpose of the werewolves is obvious, they are not going to destroy this place, they want to occupy this place, wait for the oxygen of the human race to run out, they can take over bloodlessly, only need to modify the system of the central gas circulation machine, change it to the atmospheric composition suitable for the survival of the werewolves, and they can perfectly turn this place into their home.

This is a very ideal solution for the werewolves, the sphere they throw obviously does not have a good space carrying capacity, and it is more than enough to carry some personnel, but it is too difficult to carry a set of equipment, and using the existing equipment of humans is also their only option.

If humans want to gain a foothold under the heavenly dome, they must restore the operation of the central gas circulation machine, and there is no other choice.

"Is it possible to restore the energy supply to the central gas circulator?" Yang Ping tried his best to keep his emotions calm and relaxed, anyone can panic, he can't panic.

The technical person in charge of controlling the central gas circulation machine projects the design drawings on the big screen, and the five energy transmission pipelines are highlighted, red for faults, and the location of the battery is marked in yellow for early warning.

"There are three options, one is to remove the werewolf sphere, we have spare emergency parts that can be repaired in a short time, as long as an energy line is unblocked, it is enough to support the operation, the second is to re-lay a new line, but it takes three days without interference, and the third is to replace the battery, which is designed to take into account the damage to the battery, specially built to make a replaceable type, if the energy line is not restored, technicians need to replace the battery every two hours, and send the empty battery to the ground for recharging."

"Drip ...... Drip...... Drop, sabotage warning!"

What's the situation, all the people in the general control room focused their eyes on a sub-screen, and the most feared sound finally inevitably happened!

The staff member at the post hesitantly reported, "God...... The celestial dome appears to be distorted, and the sensor appears to ...... I'll check if it's a fault later...... No, the sensor is functioning normally, and the distortion locations have been confirmed, and there are five of them, which are the areas where the Wesper Orb hits. ”

The screen on the big screen switches, projecting a real-time monitoring screen, and people in the streets and alleys are staring at the sky.

The five spheres of the werewolf are pressing down, they are slowly changing from mosaic to fusion, they are becoming part of the celestial dome, half of the orbs have fallen into the celestial dome, I don't know what kind of technology.

"Mr. Yang, abnormal oxygen loss has been detected, it should be the location of the werewolves, and I request that a drone be dispatched for close detection!"

Another bad news came as scheduled, everyone's faces were not good-looking, the oxygen stock was not enough, the werewolves were not prepared to give humans a chance to breathe, and they wanted to artificially promote this process!

At the critical moment, the focus returned to Yang Ping, waiting for the backbone to come up with a solution.

"Unleash the drone, measure the rate of oxygen loss, and find out what the werewolves are trying to do!" Yang Ping ordered.

A drone rises rapidly from the ground and quickly approaches one of the spheres in full view.

The screen switches to the angle of view of the drone's lower camera, and as the distance gradually closes, the appearance of the sphere becomes clearer, and the black metal shell makes people feel indestructible.

A round hole has opened under the sphere, about a meter in diameter, and it is impossible to see it if you don't get close.

Where the oxygen loss comes from, the drone intelligently generates feedback and asks whether to continue to get closer.

"Come closer, I want the most accurate data." Yang Ping urged.

The top of the drone was turned on, and a detector began to read the value, and the time passed minute by minute, and before I knew it, my palms were covered with sweat.