The air support from Xingtian Base has been reached, but the scale is much larger than before.

After learning that the mutations in Shudu launched a large-scale attack, they left the air fortress, and the base also sent a large number of bombers to support them.

Of course, many of these bombers are old models, because the new bombers are now limited in production capacity and cannot replace the original old bombers.

In order to support the defense of Shudu troops nearby, Xingtian Base also sent the old-fashioned air fortress to obey Liu Xi's orders.

The arrival of a huge group of aircraft has greatly boosted the morale of the Shudu defensive troops.

In terms of the variant, this powerful air force was naturally discovered and began to shrink and retreat.

However, how the variants on the ground can keep up with the flight speed of the aircraft? The mutants retreated less than five kilometers and were caught up by the bomber group.

At this time, the bomber group had completely expanded its formation, forming an airline of two kilometers, covering all the mutants on the ground.

"Enter the target area and drop bombs!!"

With the issuance of a radio command, hundreds of bombs fell from the bomber and hit the densely populated group of variants on the ground.

Rumble...

A series of explosive flames spread out on a two-kilometer-long front.

In order to increase the lethality of the mutants on the complex terrain of the city, all the incendiary bombs were used this time.

Regardless of whether the mutant will hide in the building, under such a large-scale arson, the mutant will not want to survive in this sea of ​​fire as long as it is within the bombing area.

Moreover, since the city contains a large amount of combustible materials, these fires will not be extinguished in a short period of time, which can gain more rest time for the Shudu troops.

Not only that, such a large-scale fire may spread around the city, continuing to rush back to the mutation, and destroying the meat trees that have not been discovered in this area.

Sure enough, less than half an hour after the incendiary bomb was dropped, the area where a meat tree was located was ignited by a fire and a big explosion occurred.

But all this was not over. After the bomber used the sea of ​​fire to stop the mutant from attacking, the air fortress came over the core urban area of ​​Shudu.

The high-rise buildings are densely packed here, making it an excellent arson place.

I saw that the air fortress dropped several bombs at several buildings, but these bombs were different from the incendiary bombs used by the bombers. The air fortress dropped aluminum thermal incendiary bombs this time.

These bombs exploded slightly at high altitudes, and then released a large number of sparks like fireworks.

But these sparks are not for viewing. These sparks are made of special aluminum thermal combustion agents, with a combustion temperature of more than 3,000 degrees Celsius, and are overwhelmingly falling on the surrounding buildings.

Plastic signs, external air conditioners, cars, shrubs and bushes... The core urban area is occupied by mutants, and a large amount of materials are left behind, and now all have become combustible materials for aluminum thermal combustion agents.

Not long after, trees and grass, construction vehicles were ignited by aluminum thermal combustion agents, and the raging fire soon began to spread around and quickly connected into pieces.

A fire spread from the core area of ​​Shudu city to the surroundings.

A large number of mutants were forced out of the building by the flames and fled for desperate attempts, while the fortress in the air would come over to harvest a wave.

But their mission is not the only one. They are still looking for places to set fire.

Soon, a fortress in the air discovered the location of a meat tree. He flew directly over the meat tree and shot a shuttle of bullets at the meat tree.

These bullets are not suitable for ordinary single-headed bullets, but specially made tracer bullets.

When these tracer bullets touch the oil on the meat tree, they ignite the oil immediately, then spread to the surroundings at an extremely fast speed, and then...

Boom!!

After a burst of explosions, the meat tree turned into a ball of fire, becoming a new source of fire in the city.

The fortress in the sky was searching randomly over Shu Capital, and found a meat tree that lit one, which made all the variants in Shu Capital restless.

The mutant then released the fire-driving flying insect or melee flying insect to launch a counterattack, but the air fortress is equipped with mg42 shotgun, so it is not afraid of these flying insects at all.

The fire-driven flying insect is a mobile target for the air fortress, and the attack power of the melee flying insect has no way to the new aircraft with full-body aluminum alloy shell.

You should know that this is an aviation-grade aluminum alloy, not an aluminum alloy used to make doors and windows. Its hardness is definitely not something that melee flying insects can break with their sharp teeth and claws.

Not only that, the fortress in the air actually doesn’t have to deal with these flying insects at all. They just need to increase the flight altitude and speed to make them out of reach.

Because the speed of both sides is not at the same level at all, on one side are two propeller engines with a thousand horsepower, and on the other side are wings driven by muscles.

Whether it is strength or endurance, muscles cannot compete with machinery.

The mutant flying insects can't even catch up with the wake of the fortress in the air, let alone the damage they can cause.

In this way, the fortress in the air hovered over Shudu for nearly two hours, destroyed more than a dozen flesh trees and created dozens of fires, and then turned around and returned.

"It's so fried!!"

On the command building, Xie Qing looked at the thick smoke rolling in Shudu, and immediately burst into admiration.

Cao Nan and Shen Xuan's faces were a little complicated. Xingtian base could not launch an attack for several hours by bombing in the air. If he turned around to deal with them...

Cao Nan looked at Liu Xi and met the other party's cold eyes, and suddenly felt guilty.

Liu Xi also struck while the iron was hot and said: "Everyone, it's evening soon. The mutant will definitely not miss this opportunity. The air support from our base will not be deployed on a large scale at night. At that time, it will all depend on ourselves."

As soon as these words came out, Xie Qing and others' faces became serious again. This time, Cao Nan did not dare to blow up the thorn again, so he changed to Shen Xuan and said, "Representative Liu, after the previous consumption, our ammunition reserves were consumed seriously. Can we give us some support..."

Shen Xuan's attitude was very low. Now, in order to unite the Shudu troops to defend against the mutants, Liu Xi was not easy to refuse, so he could only say: "I have applied to the base, and the first batch of ammunition supplies will arrive soon..."

As soon as Liu Xi finished speaking, a buzzing noise came from the sky again, and the liaison officer next to her suddenly reported: "The two giant transport planes sent by the base have arrived!"

After hearing this, everyone raised their eyes and looked at Shuangjin Airport, and soon saw two small dots flying slowly.

However, only one of these two black spots landed on the airport, while the other flew straight towards them.

As the plane got closer, everyone finally saw the plane's figure clearly.

Then, except for Liu Xi and other people from Xingtian Base, everyone else was stunned...

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Chapter completed!