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Chapter 39 Foresight! Offense and Defense Shift!

"What are they trying to do?!"

At headquarters, a group of headquarters staff and Ma Tian and others watched the exercise situation on the big screen. When they saw the drone suddenly burst into the sky, countless questions arose in their minds.

The drones ahead spotted the J-20 and realized it was thanks to the optical cameras.

Detecting a fighter jet 150 kilometers away using an optical lens is incredible to the human eye.

However, for intelligent systems, as long as the system's computing power is sufficient, it can detect even the slightest anomaly in the sky.

After all, the unmanned combat aircraft was hovering at an altitude of 5,000 meters, which is higher than the height of the clouds. In addition, the combat area selected by Lin Dong was clear and cloudless, so it was almost impossible for the J-20 to avoid being caught in the camera's view.

They originally thought that once the unmanned combat aircraft detected the J-20, the next step would be a series of escape maneuvers.

Use the maneuverability of unmanned combat aircraft to exhaust the J-20's missiles as much as possible, and then find an opportunity to rush in and finish off the enemy in close combat.

During this period, because the missiles are smaller, and because of atmospheric disturbances and optical distortions, the drone's optical lens cannot detect them immediately. Supercomputing simulations can only detect them at a distance of about 110 kilometers.

Thus, the 40-kilometer gap in the middle becomes the point of contention between the two sides.

The unmanned combat aircraft needs to estimate whether the J-20 fighter jet has launched a missile, and whether it should take evasive action in advance to reduce the missile's hit probability and increase its own escape rate.

After all, given the performance of the PL-15, it has the ability to pursue and kill aircraft with a second ignition at the end of the phase, and manned fighter jets cannot escape once they enter the 80-kilometer range.

It was only at a distance of 120 kilometers that it was discovered that even for a single unmanned combat aircraft, the chance of escaping a missile is barely 50%.

However, if it can be detected at 140 or even 150 kilometers, and evasive maneuvers can be performed a few seconds or even tens of seconds in advance, the chance of escaping a single missile can soar to 90% or even 95%.

J-20 fighter pilots must also realize this, realize that they have been detected by optical lenses, and realize that there is room for maneuver in their missile attacks.

They need to maintain composure, keep this game in the open to force the drones to expose their weaknesses, or wait until the sun sets further down, using the angle of the sunset to conceal their tracks before launching a beyond-visual-range attack.

However, the two unmanned combat aircraft are now reacting in a way that completely deviates from normal combat strategies. They are directly and violently ascending to higher altitudes without engaging in any distance maneuvering or missile attrition.

"Is this an attempt to quickly increase altitude, forcing the J-20 into a low-to-high-attack situation, thereby reducing the missile's offensive capabilities?"

One staff officer offered a new possible analysis, but quickly frowned and said, "But in the process of climbing like this, they become a target, making them easier to cut."

The engine of an air-to-air missile can only ignite for a few tens of seconds.

This characteristic determines that most of the missile's middle range is spent gliding, so once it gets into a situation where it has to hit a high target from a low position, the missile's offensive capability will be reduced sharply.

For unmanned combat aircraft, as long as this advantage is created, the win rate will increase dramatically.

"No, that's not right!"

"If Chengdu Aircraft Industry Group (CAC) wanted to create an altitude advantage and put the J-20 at a disadvantage of being able to fight from a low altitude, why didn't they fly to their highest point from the start, instead of waiting to be detected by the J-20 before climbing?"

"Unless those two drones were flying intentionally... Yes!"

Another staff officer next to him raised an objection, and the next second he seemed to realize something: "They did it on purpose!"

If the drone initially flies to a high altitude and takes pictures of the ground from there, the complex background at the ground level makes it difficult for the optical lens to detect the J-20.

If the aircraft initially stops at an altitude of 5000 meters, then when the J-20 pulls up to prepare for an attack, taking photos from low altitude to high altitude will result in a clear sky background, making it easy for the optical lens to detect the J-20's presence.

But what can they do even if they find traces? They'll be ambushed by the triangle before they can even climb up!

[Beep—Missile launched!]

[Two J-20 fighter jets of the Blue Force each launched one PL-15 missile at an altitude of 10000 meters. The target unmanned combat aerial vehicle (UCAV) was 143 kilometers away, heading southeast at an altitude of 12300 meters and a speed of Mach 2.12. The ACMI exercise system is simulating the missile's trajectory and determining the outcome based on the attack and evasion actions of both sides.]

[Beep—Missile launched!]

[Two J-20 fighter jets of the Blue Force each launched one PL-15 missile at an altitude of 13600 meters. The target unmanned combat aerial vehicle (UCAV) was 130 kilometers away, heading southeast at an altitude of 16200 meters and a speed of Mach 2.3. The ACMI exercise system is simulating the missile's trajectory and determining the outcome based on the attack and evasion actions of both sides.]

[Beep—Missile launched!]

[Two J-20 fighter jets of the Blue Force each launched one PL-15 missile at an altitude of 15100 meters. The target unmanned combat aerial vehicle (UCAV) was 120 kilometers away, heading southeast at an altitude of 17800 meters and a speed of Mach 2.31. The ACMI exercise system is simulating the missile's trajectory and determining the outcome based on the attack and evasion actions of both sides.]

During the discussion at headquarters.

Suddenly, the supercomputing system's performance utilization rate soared, and missile launch commands popped up on the large screen one after another.

The J-20 fighter jet, which was maintaining its cruising speed, decisively activated its afterburner mode and accelerated to meet the drone's climbing trajectory. After closing the distance, it launched three waves of missiles in less than 15 seconds.

beep beep-

Everyone immediately stopped discussing and stared intently at the large screen.

Three waves, one wave with two trails, representing the trajectory of the PL-15 missile, were seen flying towards the two unmanned combat aircraft at Mach 4.

Although the missile's speed is constantly decreasing due to gravity.

However, due to the attack guidance of the J-20 fighter jet, the missile did not chase after the unmanned combat aircraft, but instead calculated a lead time and rushed straight ahead of the unmanned combat aircraft to intercept it.

The remaining speed, calculated based on the time difference between the drone detecting the missile and evading it, is enough to intercept both drones and then launch a terminal second ignition attack.

"Currently, drones shoot from high to low, which increases optical disturbances from updrafts and background complexity, reducing the system's recognition sensitivity."

"According to supercomputing simulations, it takes about 50 seconds for the missile to be detected at a distance of approximately 78 kilometers. The drone's radar also detects the missile at roughly the same distance, which is already within the no-escape range of the PL-15 attack aircraft..."

A technician quickly gave the unmanned combat aircraft's reaction time, but before he could finish speaking, the supercomputer's performance suddenly spiked to its limit, and a red notification popped up.

[Beep—The Red Team's drone is maneuvering to avoid an obstacle, changing from a steep climb to a diagonal flight, heading southeast, and rapidly ascending...]

[The unmanned combat aircraft is accelerating away from the PL-15 missile's attack angle; the ACMI exercise system is recalculating the missile's tracking trajectory...]

Everyone was stunned.

As everyone watched the large screen display the changing trajectory of the unmanned combat aircraft, a sudden maneuver caused the aircraft to change from climbing to flying at an angle.

At the same time, as the flight angle flattens out and the gravitational deceleration weakens, the speed of the fighter jet also begins to soar. In a short while, it accelerates from Mach 2.35 to Mach 2.5 and begins to frantically increase the distance between itself and the missile.

Clearly, the two unmanned combat aircraft "detected" the missile launch and took evasive maneuvers in advance.

But this is an exercise. The missiles are all simulated launches. There are still tens of seconds before ACMI determines that the unmanned combat aircraft has been "detected" and before the drone is notified.

There was no system notification, and no actual missile was detected in the sky, so how did the drone detect the missile launch...?

"Prediction! This drone predicted the missile launch!"

At this moment, one of the staff officers who had just spoken realized the problem: "It anticipated the missile launch through the J-20's interception maneuver..."

Now, attacking from low altitudes, they were detected 130 kilometers away; these six missiles are now useless! The offensive and defensive dynamics have shifted! The offensive and defensive positions for both sides are about to change!

As soon as he finished speaking, the ACMI exercise system gave a completely new judgment result.

[Beep—The Red Team's drone maneuvered to create altitude distance, successfully escaping the effective attack angle and range of the missiles, completing an effective evasion. The attack of six PL-15 missiles failed!]

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