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Chapter 200 Line of Defense
The lights in the control room were dimmed to a grayish hue, and Su Wanqing stared at the numbers on the wall changing.

Lu Zhao sat beside her, and the two checked their watches one last time. Xiao Ran sat at the far end, his face close to the communication headset, turning the backup power switch to maximum power.

At 2:50 a.m., the blue code stream lit up on Lu Zhao's laptop.

His fingers flew across the keyboard as the indicator lights on the power distribution system in Zone B went out one after another.

An "Abnormal" message appeared on the monitor screen. — This is a once-in-a-lifetime opportunity.

Su Wanqing put on gloves and checked the connection point between the jade bracelet and the first energy core to confirm that it was consistent with the previous preparations.

Lu Zhao broke the silence with the fewest words: "The power distribution cascade system will collapse in five seconds, hurry up."

The technician behind them, named Song You, is one of the few quiet, veteran electricians in the base.

He nodded, pulled apart a few old cables from the toolbox, and was the first to crawl into the abandoned maintenance tunnel.

Su Wanqing and Lu Zhao followed closely behind. The entire corridor was dark, with only their own breathing in their ears.

Cold air seeped from the pipe walls, and the three of them climbed more than ten meters in silence.

Lu Zhao took out a wireless signal detector from his backpack, and the screen was completely silent.

He whispered, "Blind spot in surveillance, read normally. Fifteen-second window."

Su Wanqing aimed the jade bracelet at the side wall of the pipe and activated the interference function.

As the pointer slid, she keenly noticed that the electronic isolation zone, which should have been one and a half meters wide, was only affected by interference of less than half a meter.

She pursed her lips, signaling Lu Zhao to stop: "The area has been reduced too much, so we have to take Song You and change the route."

Song You braced his hands on the pipe opening, took a breath, and frowned deeply: "Go through the southern branch pipe, not the main pipe?"

Su Wanqing nodded, and without saying a word, she used scratches to change the original route to the area below the waste bin.

She wondered why the interference effect of the jade bracelet was much weaker than that during the low-temperature experiment.

As Lu Zhao followed up, he pressed his earpiece: "Abandon the original routes at points B1 and C2. We'll go down to the unit via the gate valve control room."

Xiao Ran's short reply came through the communication: "Received, hurry up, one shift in the West District is moving towards the main road."

The three of them stepped on the iron plate, passed through a fence that had been soaked and rusted by water vapor, and went underground.

Two patrolling sentries crossed the main road along the way. Song You remained crouched, and when the wrench at his waist touched the pipe wall, it made a soft, crisp sound.

Su Wanqing switched the power of the jade bracelet with her other hand, and the electrical interference instantly drowned out the sound of her footsteps.

The three paused for a moment, until the static from the walkie-talkie in the distance became muffled, before slowly walking through the narrow passage.

As he entered the waste bin, Lu Zhao tugged at his cuff: "The patrol schedule on the right is being adjusted; the next shift will be here in two minutes."

Song You gritted his teeth and tightened a bolt: "The gate valve control area has a secondary defense line, speed up."

The group didn't linger any longer. Su Wanqing observed the slight heat emanating from the first core within the jade bracelet, sensing that its energy was being restricted from being released at full power.

They had to abandon the original "main control loop cut-off plan" and instead use a reverse small pipe, which was riskier, to approach the target area.

After passing through the spare machine room, the footsteps of the third patrol came from the metal plate overhead.

Lu Zhao held his breath and turned off the instrument, while Song You tucked the tools under his arm and hung them behind the fire door.

The sentry moved slowly, occasionally casting shadows of light through the crack in the door.

The three of them tried their best to hide themselves, only daring to hold each other's arms tightly. They waited until the lamplight had receded before they lowered their heads and slowly moved forward.

Fifty meters from the core of the generator set, Su Wanqing saw a newly installed access control system in front of her, with infrared scanning and text prompts embedded at the top: biometric verification, pressure plate sensor floor.

Lu Zhao judged the situation had changed, immediately moved close to the door control panel, pulled out a palm-sized tablet computer, and powered it with a spare battery.

A faint electrical hum came from the access control panel. Lu Zhao tapped the port while whispering, "The system reconstruction won't take more than a few seconds, but there will be residual data. The shielding will only last two minutes."

Song You waited on the side with his tools, and before entering, he instructed, "Be quick, someone will be watching if you leave any traces during the patrol." Su Wanqing looked around, one hand on the jade bracelet, the other moving along the niche, trying to keep her body as close to the corner as possible.

Twenty seconds later, the access control beeped and unlocked, and a small opening appeared in the electromagnetic door panel.

The three of them slipped inside, crouching low. Just as they regained their footing, the lock on the outside reset, the indicator light on the circuit board switched back to red, and the system regained control.

The interior space is cramped, filled with heavy metal pipes and low railings.

The temperature suddenly rose. There were special isolation walls in the core area ahead. As soon as Su Wanqing approached, the surface temperature of the jade bracelet rose to a new high, and she immediately sensed the reaction of the second energy core.

At the far end of the quarantine zone, under the light, four military soldiers stood in separate positions, armed and on guard.

In the very center was a thick, specially made alloy container, with a signal shield at the top and two independent electromagnetic locks on the outside. The container was protected by these soldiers.

The soldiers were in a state of high alert, without the slightest slackening.

Lu Zhao glanced at it from the inside and muttered under his breath, "The military itself has also realized that this thing is unusual."

Song You's body trembled uncontrollably as he urged in a low voice, "How are we supposed to carry this? This whole scene..."

Su Wanqing pressed the jade bracelet against her sleeve and closed her eyes briefly. She felt a slight pulling sensation inside the bracelet; she sensed the core was just a few meters away, but she couldn't get any closer.

Meanwhile, inside the fortress's main control room, Xiao Ran rested his chin on his hand, staring at the monitoring screen.

Suddenly, the screen in the back row flickered. He zoomed in on the monitor and found a figure moving near the main duct of the ventilation system in the west area.

He didn't have much time to think. He immediately switched to the security intranet and called over two trusted cadres from the technical department: "Go to the main ventilation duct in the west area immediately and check for any devices."

Ten minutes later, the report came back. Two cadres carried in three small pieces of equipment.

Xiao Ran picked one up and examined it repeatedly. Each device's casing gleamed with a cold metallic sheen, and beneath the casing were fine antennas and adaptive power ports.

He used the instrument to measure the band, and the frequency was different from the main frequency used by the fortress, but it was continuously emitting an extremely low frequency signal.

Xiao Ran handed the device to the network specialist, "Trace it to find out where the signal is coming from and who has recently been authorized to access this area?"

The specialist stared at the instrument, his brow furrowed: "The type of device is similar to the signal relays commonly used by the military, and it also has the potential for interference and location tracking."

The source is too well hidden; the backend data cannot be traced. It could be remotely controlled from the outside, or it could be a mole within the fortress itself.

Xiao Ran gasped and quickly jotted down the numbers. He stared at the screen, constantly switching between monitoring feeds, trying to find more anomalies.

All the scenes are silent and the atmosphere is tense.

In the core area of ​​the generator set, Su Wanqing was keeping a low profile, her gaze sweeping over the corner of the wall.

Four military soldiers leaned against the sides of the alloy container, fully armed and expressionless.

Lu Zhao took a half step back and whispered into the communication: "Xiao Ran, the four people on the outer perimeter are fully armed. The alloy container has a special lock. Taking the core will probably require a sudden action."

Xiao Ran replied, "Observe first. We've discovered someone tampered with the main ventilation duct at the base, and we've confirmed there's a mole. You need to be even more vigilant. If the plan changes, contact us immediately."

Lu Zhao turned the communication volume down to the lowest level, turned to Su Wanqing and Song You and said simply, "The remaining few meters can only be approached by the jade bracelet. We need to be prepared for both possibilities. If we are exposed, we will disperse."

Song You nodded repeatedly, his left hand gripping the tool tightly. Su Wanqing moved closer to the corner; the jade bracelet's temperature continued to rise, its core hidden behind the insulating wall.

However, the signal isolation effect of the specially designed container made it difficult for her to get close.

A moment later, one of the soldiers on duty turned to look in the direction of the three. Lu Zhao pressed the button on his cuff, signaling that they were to prepare to retreat.

Just as the three were concentrating on devising a countermeasure, the LED indicator light on the far wall began to flicker slightly, and the sound of water flowing from the internal pipes could be heard.

The four soldiers remained vigilant and continued to patrol in shifts according to their squad formation.

Su Wanqing held her breath, studying every tiny path that might lead her there.

The jade bracelet felt hot in her palm from time to time, and she subconsciously knew that she couldn't waste a single opportunity.