The bugs continued to harass on a small scale, and the lack of change until the ship-pulling fleet left for a few hours, became more and more suspicious.

After careful consideration, Pan Wen approached E7 again with his own fleet, since it was a guerrilla attack, it could not be limited to mobile defense.

Soon after, the fleet appeared again at the same angle and distance as E7, but this time the biters reacted significantly more aggressively, and the Gold had to leave after only two rounds of shelling.

It turned out that after the previous sneak attack, more and more bugs were out of the low orbit, and in the high orbit area on alert, at the same reaction speed, the gold was in position for seventeen minutes less time to fire, which was completely devastating for the already insufficient time.

The insects can't maintain much density in the wide range of high orbits, and the first batch of insects that made a counterattack this time were very few, only a few thousand, but there were many waves intermittently behind, obviously changing the defense method, and the purpose was to drag the sneak attackers in advance.

There are a large number of bugs in the back, and the fleet can't afford to delay, but Pan Wen has a lot of bad water, and he keeps his speed during the temporary departure, so that the distance between the two sides will not be widened, and then he thinks it is safe to eliminate these thousands.

As a result, he was right, and there were no more groups of bugs chasing them out, and after beating these thousands, there was no one behind.

After slowing down and waiting for more than ten minutes to confirm the situation, the fleet turned around under his command and approached E7 again at a different angle!

Bugs have tactical changes, and his fleet certainly can't foolishly repeat the same moves.

This time, the fleet uses the attack position as a tangent point and cuts through the side of E7, so that although the reaction of the swarm will be activated earlier, when it needs to evacuate after making an attack, it only needs to deviate slightly from the tangent line to get a good distance speed. The reduction in the change in the angle of inertia and the almost non-existent change in velocity actually shortens the overall length of the retreat maneuver and thus increases the number of attacks.

In addition, the continuous contact allowed Pan Wen's fleet to have a grasp of the maneuverability of the swarm, so the third approach was a fleet-wide strike operation, only four rounds of attacks, and three more insect balls were killed!

Compared with the previous fruitless operation, there are more bugs chased out this time, the old way, pull to the halo belt to solve.

It seems that if it can go so smoothly every time, it is impossible to deal with all the big insects before the fleet pulling the stone comes back, but Pan Wen is not blindly optimistic.

The leader of the swarm is undoubtedly highly intelligent, and the approach along the tangent line can indeed shorten the retreat process, but it itself will be detected earlier, and if the insect is prepared for this, it is possible to be intercepted by the calculation of the amount in advance, and if that happens, it may not be able to fire a shot and run away.

"Changing again? Wasn't it nice just now? We can do it again. Pan Yue'er, who has not communicated much, asked questions in the video combat briefing.

"There is nothing good to be gained by fighting bugs, and their intelligence is clear, so I think repeating tactics increases the security risk of the fleet." In addition to Pan Yue'er and Doris, the two boss-level captains, there were also Ma Ming, the captain of the Heavy Hammer, and another elite captain who was transferred from the cannon fodder ship on the second lieutenant, so Pan Wen explained it very clearly.

Seeing that everyone's expressions seemed to be quite agreeable, Pan Yue'er also nodded with red eyes: "Okay then." ”

As the commander of the D21 left-behind branch, Pan Yue'er has been fighting with the orbital fleet for several days, and she has to manage her own fleet, and she has not rested for too long now, and she can't see the whites of her eyes. To be honest, Pan Wen is very skeptical that she still has the ability to think now, but there are things that cannot be said explicitly, so she can only choose the ones that can make them squint a little for a while in the next tactical choices.

With the premise of considering the Fat Dun and the second lieutenant captain, the next change in the course of action is logical, and the fleet will circumnavigate Haimer and launch a sneak attack from the dark side of Haimer.

The speed of navigation in the area within the halo belt of the Haimer Star cannot be too high, and the space battleship is not suitable for approaching the thin area of the Haimer Star gas, and the entire circumnavigation takes a hundred minutes, although it is not a very long time, at least a continuous safety period, which can make Pan Yue'er relax and sober for several hours.

The fleet went around, and the fighters began to arrange in advance at the beginning of the operation, and the process was relatively easy, with the help of the second main engine of each ship, the orbit was calculated, and the camera reconnaissance module and the reconnaissance array were delivered, and the camera reconnaissance module would approach E7 before and after the scheduled battle time, hoping to provide a clear close-range picture, and the reconnaissance array was only responsible for data relay, and the location would be slightly safer.

Everything was arranged, the command staff took the opportunity to take a nap, and two hours later, the Panvin fleet launched a fourth raid on the E7.

Pan Wen's good fortune was in effect again, and as he thought, the highly intelligent swarm commander still made the mistake that only intelligent creatures would make - having a tactical inclination.

The defense and reconnaissance of the swarm are all biased towards D21 and its surrounding squares, while the reconnaissance alert area in the shadow of Haimer Star is obviously several times smaller, and it is also tangentially moving, and it is not until the first few tens of seconds that Pan Wen's fleet enters the attack position, and the swarm does not react!

This is definitely a huge blow to the leader of the swarm, it is also a tangential movement, but the reaction time of the swarm is equivalent to when it is approaching in a straight line, which means that the attack time of the Panvin fleet is exceeded for no reason! In other words, when Pan Wen's fleet reached the outside of the suitable attack zone along the tangent line at the current speed, the swarm would not have time to rush over!

With no mercy for the helpless insect Pan Wen, the whole fleet opened fire at the sound of an order, and at the same time ordered the fleet to slow down by 10% to extend the attack time.

The movement of the swarm in low orbit is complex, and the large bugs on the dark side are mostly unshielded...... However, because only thirteen were killed before and after the sneak attack, it seems that the amount required for statistics is not reached.

When he ran away, by the way, he went to the halo and ate the tens of thousands of insects that were chasing him.

After this battle, the Commander of the Swarm finally realized his mistake and the insidiousness of the strange fleet, and made a response that made Pan Wen's head bigger.

Collective defense, the least efficient, is a useful defense method since ancient times! All the big insects have all moved to the same point in just a few dozen minutes, and the swarm has gathered all the war insects together to defend them layer by layer.

It is said that the efficiency of collective defense is low, because when it is necessary to counterattack, the collective defense of a dense formation will easily stumble on the left foot and the right foot, resulting in inconvenient troop mobilization and delaying the fighters, and it may also be completely destroyed by a single means of the enemy. However, collective defense is the most suitable for preserving and covering high-level individuals, as long as they are not mixed in by spies, there seems to be no other way for foreign enemies to eliminate the high-level individuals in them except for the complete annihilation, of course, the legendary generals in ancient times are not among them.

At the same time, the complete change in the defense method of the swarm also inadvertently broke another conspiracy of Pan Wen - attrition.

The swarm had earlier used the Bugs on the ground to suppress D21, but this method was not without its flaws, especially after Panvin's fleet joined and opted for guerrilla tactics, and supply became a matter for both sides to consider in battle.

From Pan Wen's point of view, although the ability of the swarm to replenish war insects is very strong, the first goal of insects is to protect the big insects from forming quickly or using the big insects to create more advanced insects, so the speed of the supply of low-level war insects will not increase indefinitely. In fact, even if the production capacity was increased before his fleet arrived, while maintaining the D21 suppression, the number of bugs in the E7 orbit did not increase by a few bits, meaning that the two sides had reached an alternative balance without him as an alien fleet.

Once the number of bugs reaches a level where the protection density is insufficient or insufficient to maintain the current level of suppression of D21, the swarm is a big deal. Maybe the swarm commander could reduce the supply needed for the growth and production of the large worms to replenish the small worms, but that would only give the D21 group more opportunities to solve the problem.

It is impossible for Pan Wen to really specify a tactic that depends on luck, it is of course good to be able to get rid of a few large insects to reduce the possible threat in the future as much as possible, in case he can't get rid of them, the main goal is to consume the number of small insects and force the swarm to change tactics. Changing the Swarm tactics will inevitably reduce the pressure on D21's continuous fatigue defense. As long as the crew over there can have enough rest and rely on the orbital defense circle, even if the big bugs really turn into something like a light cruiser, it is not without a chance of winning, and of course, the damage will not be less if it goes to that point.

Now the insect swarm has really changed its tactics and changed to centralized defense, nearly seventy large insects are wrapped in millions of small insects, based on the previous statistics, judging from the appearance, there is still a lot of space inside the large sphere formed by small insects. Compared with the previous insect ball, this super large insect ball not only has more defense layers, but also has no way to aim accurately, even if it is bombarded inside, the big insect has room to move or cover or avoid.

This defensive stance left Panvin's fleet at a loss, and it wasn't long before the D21 orbital fleet contacted that the swarm had missed a suppression, and it had been half an hour beyond the usual attack interval.

"I can hit it farther, but I can't hit the target I want to hit. Let's go to the set location and standby. Looking at the defensive posture that he couldn't talk about, Pan Wen shook his head and commanded the fleet to cross to the middle of E7 and D21, buying time for his teammates behind him and time to do emergency maintenance on the ship.

The dense defense made Pan Wen worry not only about not being able to kill the big worms inside, but more importantly, the insect swarm took the opportunity to replenish the number of small worms, as the number of small worms recovered, the big worms inside were actually more dangerous whether they produced advanced worms or followed the action later.

Unable to think of any good way for the time being, Pan Wen still ordered the fleet to drop hundreds of missiles out, and these missiles were manually modified in the hangar since they arrived in the Haimer Star area, and they were replaced with solid high-temperature resistant warheads, and they will cruise to an area far away from Haimer Star for high acceleration and return, whether they will be intercepted by that kind of small interceptor worm is left to fate.