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After three minutes of indiscriminate bombardment of the ground by twelve orbital bombers, the ZYMZ-1 was withdrawn from the low-earth orbit because all the ammunition was gone.

Although it was only three minutes, the precise strike from the universe to the ground directly wiped out several waves of living force in front of the Meda Clan's insect swarm, and countless large or "high-tech" units were easily and mercilessly evaporated.

After losing those large bugs or even large swarms with such good attack or destructive power, the swarms on the ground are completely incapable of organizing a swarm of human transport planes that are airborne all over the sky.

By the time Ankang landed on the surface, the orbital bombardment had not yet ended.

The place where he landed was a plain that had just been bombed, and some of the very active biomass on the surface had turned black or gray. And in the distance, as far as the eye can see, the thick clouds can still be seen to be opened for a moment, and then with a faint and fleeting flash of light, the shape of the surface at the end of the line of sight changes in an instant. As well as the disappearance of more red dots on the radar.

Three minutes later, the intensive precision ground attack ended, and Ankang and the first batch of planetary defense soldiers who landed on the surface had already preliminarily built a basic position under the artillery fire of orbital bombardment, and began to build a battlefield support aircraft airfield and logistics base.

In the huge transport fleet, there are hundreds of transport planes loaded with engineering drones. With the combat drone at the end of the landing or during the process of pouring out. These projects are carried out by drones as soon as they land on the ground, and the building materials in the cargo warehouse and the cargo warehouse itself are disassembled and the corresponding parts are printed out to quickly build the required basic buildings.

Powerful engineering lasers and engineering equipment completed the leveling of the ground and the layout of the basic foundation in a very short time, and then in just a few minutes, those buildings full of science fiction in the eyes of Ankang rose from the ground.

After the construction of the corresponding buildings on the ground is completed, some of the cargo warehouses for transporting materials are sent into the warehouse by engineering drones, and are transformed into more engineering drones or battlefield support aircraft. In just about ten minutes, a mobile force network that can completely cover the entire planet has been built.

Subsequently, hundreds of thousands of cargo warehouses floating in low-earth orbit carrying the combat drones began to be airborne, and a huge swarm of drones covered the entire surface of Zymz-1 in an instant.

Naturally, the King of the Meda swarm was unwilling to fail, and with the sudden opening of the crack in the biomass layer and the remaining tunnels that had not yet been destroyed by the orbital bombardment, an uncountable number of insect tides of the King of the Meda Clan reappeared and tried to regain control of the surface.

With home field advantage. Several swarms of the King of the Muda Clan's insect swarm that emerged from the ground did easily gain a military advantage over human combat drones in a local area.

With ducted vehicles and a small number of unmanned tanks as part of the main force, the drone swarm naturally fell into a disadvantage from the beginning when faced with a larger number of underground swarms that seemed to be more well-equipped, even if in terms of quality, these combat drones as human cannon fodder units were better.

And a kind of zerg flying unit that suddenly erupted entangled the air combat drones that were not very many in themselves in an extremely terrifying amount,

However, a minute later. The heavy units delivered by the battlefield support planes and some of the idle transport planes directly shredded the counterattack of the King Meda swarm.

In this series of short and fast operations, most of the drone commanders, including Ankang, are only wandering around the quasi-front line, and Ankang has found a huge rift in the area of responsibility.

When there are more and more human combat drones in the sky, the whole is actually completely controlled by human drones. Only a small number of biters occasionally pop up to sneak up after a few large swarms have been wiped out, but that's just innocuous harassment.

And this time. Ankang also learned through the tactical connection that the twelve orbital bombers that were removed in the sky had actually been replaced with a new batch of orbital bombers that were on standby before, and the sentry drones also began to be deployed after the second batch of orbital bombers entered, and now they are basically able to strike the world anytime and anywhere in the first time.

The orbital bomber is actually an orbital bombing platform, and another task itself is to arrange a fixed turret, after all, there are some planets that are relatively large, and the area that an orbital bomber can cover is relatively limited, so under normal circumstances, if there are no more ships and carrier-based aircraft remnants.

Capability orbital bombers will only complete bombing missions according to plan rather than action, but once the Sentry drones are deployed, it becomes feasible to carry out orbital bombardment according to the action.

Ankang stepped out of the armored car and looked at a tower-mounted building two hundred meters away. As far as the eye can see. Ankang can see about six or seven of these towers hidden under huge ravines or hills.

These towers are underground probes built by engineering drones a few minutes ago, nicknamed the Bell Strikers, somewhat similar to active sonar.

In fact, as early as when the planetary defense force landed on the surface, many drones began to attack the underground tunnels, and Ankang no longer knew how many underground tunnels were destroyed by the unmanned fighters under his command or the ground-penetrating missiles launched by the unmanned attack aircraft.

However, these tunnels are not worth mentioning in comparison to the other large underground space, the huge space between the original surface of Zymz-1 and the biomass surface.

Just now, thousands of unmanned fighter jets descended into the ground from several naturally occurring rifts found on the surface of the ZYMZ-1 biomass that had existed for many years.

Although a huge amount of biomass gushed out of these cracks, which are equivalent to the "skin disease" of the planet, trying to fill the downward path of the drone, it directly drilled out of the channel under the continuous attack of orbital bombardment.

So these unmanned fighters, as the vanguard, entered the underground space all the way unimpeded. And the picture of the underground was transmitted.

Similar to what the intelligence officers of the Military Intelligence Agency had speculated before coming, there was only a small amount of light source in the huge space under the surface of the biomass that only relied on a shimmering light organism, and the ground was already completely desertified. This is probably a big reason why there are still so many bugs living on this planet. (To be continued.) )