What the hell is a private enterprise?

Chapter 327 Accidental collision
Voiceprints are a submarine's unique identity card.

When a submarine is navigating underwater, the echo produced by the collision of its hull with seawater is closely related to factors such as its compartment design, size, and power.

Even within the same class of submarines, there can be subtle differences between different batches.

If the acoustic signature data of a submarine is stored, its type and threat level can be accurately determined during detection.

The Enterprise not only stored the voiceprints of all its own submarines, but also the voiceprint data of many allied and adversary submarines.

However, this ship is not in the database.

Because it was during sea trials, the listening room wasn't doing any serious work. When they first spotted the underwater target, they didn't pay attention. It was only when the noise exceeded the limit that they thought of comparing voiceprints, and only then did they realize the seriousness of the problem.

If it's not our own, not an ally, and not a known adversary, then whose submarine would dare to recklessly venture into the waters off Florida?

The answer is obvious.

"avoid!"

Calvin gave the order with a hoarse voice, and the Enterprise began to turn towards the mainland.

Because it was just a simple sea trial mission, only one Perry-class aircraft carrier, the Ingredient, was going to sail with it. Although there were helicopters on the carrier, it would take at least half an hour to tow them out for takeoff.

Upon receiving the intelligence sharing, the Ingrand was also greatly surprised and scrambled a helicopter, accelerating toward the source of the noise.

Frigates are not afraid of warships; on the contrary, submarines will suffer devastating damage once they are exposed.

At the same time, the two warships began rapidly analyzing the parameters of the unidentified submarine:

It's incredibly noisy, almost like a tractor, with virtually no noise reduction measures.

Its speed was only around 10 knots, and it failed to accelerate, clearly unaware that it had been discovered.

The anti-submarine helicopter that took off from the Ingerand flew over the suspected area and dropped a string of sonar buoys. It quickly received feedback.

At this moment, the unidentified submarine underwater detected the sudden increase in sonar signals, realized it had been discovered, and began to make a sharp turn in an attempt to escape.

The seawater cut off communication, and surface ships and helicopters could not contact the submarine, leaving them with no choice but to force it to surface and surrender.

While the helicopters from the USS Ingredient continued to lock onto and exert pressure, helicopters from the USS Enterprise were also scrambling to take off. Calvin immediately contacted Secretary Johnson via satellite line.

Upon hearing that a submarine suspected to be from the Second Fleet had appeared off the coast of Florida, he was so frightened that he almost jumped out of his skin. He immediately issued a combat order to eliminate it at all costs!

God knows what that submarine was carrying; only sinking it can minimize the risk!
Upon receiving the order, the SH60 Seahawk helicopter launched from the Ingrand immediately dropped a MK46 homing anti-submarine torpedo.

The Ingrand also turned sideways, preparing to use its side torpedo launchers to finish off the enemy.

But at that moment, the Ingrand sensed a rapid and intense sonar detection.

The arrival of three waves of probes, spaced a few seconds apart, made the frigate feel uneasy.

Just then, she heard a muffled explosion coming from the seabed.

The MK46 hit the enemy, and just as the Ingrand was about to relax, the sonar automatic feedback system started beeping urgently.

In the waters ahead of the Ingredient, a white line suddenly appeared on the surface of the water and approached at an alarming speed.

The Ingrand immediately began to sail at full speed relative to the Ingrand while simultaneously ruddering hard to port to avoid the collision.

However, the torpedo seemed to have eyes; its straight white line suddenly curved, heading straight for the side of the Ingredient.

The Intron was hit amidships. As the warhead exploded, the hull was easily torn apart. The entire ship seemed to be violently shaken, leaving all the crew members dazed and confused.

The fragile hull bent under the external force, and the Intron, which had just been moving at high speed, seemed to be stopped by something and floated helplessly on the sea.

Calvin was horrified as he fled the Enterprise, but he was not allowed to lead the rescue because no one could guarantee that there was no danger left.

He was very clear about the relative importance of a Perry-class destroyer and a nuclear-powered aircraft carrier.

Meanwhile, the Seahawk helicopter that took off also saw the black oil slick and debris spreading on the sea surface below, proving that the unidentified submarine was obviously in grave danger.

……

Our submarine is sinking!

We have severely damaged the enemy target!

Random flagship story battle:
[Escape from the Enterprise and Intron group's anti-submarine strike]

[Defeat] [Battle Results: 132 million silver coins (800%), 62800 experience points (800%)]

Thousands of miles away, Tang Wen wiped the cold sweat from his brow, thankfully he had used the boost card.

The submarine that encountered the Enterprise, numbered U53, was a Type VIIC submarine, a very old model of U-boat, and it had just been carrying twenty black men along the line.

Although the sonar detected the target overhead, it was not certain whether it was a civilian ship or a warship, so it cautiously submerged until the very end when it made a last-ditch effort using the single torpedo tube at the stern.

The bug-like acoustic homing torpedo was surprisingly effective at 82 knots, but it didn't have time to turn around and launch again.

The Enterprise was moving too fast and went out of range. Only the Perry-class destroyer was damaged again, but it was estimated that even if it didn't sink, it was beyond saving.

For a light frigate, a single torpedo midships is absolutely devastating, leaving it either dead or severely wounded.

This time, he didn't retrieve the wrecked ship; only the captain returned to base.

How significant will this event be? It will likely be no less impactful than the Battle of Antigua.

Tang Wen was feeling rather guilty, so he suspended the operations of other submarines and decided to wait and see how the Americans would react.

……

northeast.

At a remote dock.

The No. 3 turret, removed from battleship No. 001, was now installed on a semi-submersible vessel, spinning amidst the hum of its motors, with one of its gun barrels pointing towards the sky.

"Load one No. 4 round!"

"Angle 35!"

"put!"

With a deafening roar, the surging air swept away the snow from the surrounding trees, and the birds that had been perched there hurriedly fluttered away.

A long, thin object shot out, trailing a flash of flame, and flew into the clouds in the blink of an eye.

From the buildings on the shore, radios are transmitting sounds from thousands of kilometers away:
"Target detected at Qingmenhe Observation Station, trajectory normal!"

"Target detected at Naiman Observatory, trajectory normal!"

"..."

"Dean Qian, the technical requirements for missile No. 4 are too high, and the estimated deviation will be quite large."

"As long as the flight range is sufficient."

Qian Lin'an simply stared intently at the radar screen, watching the constantly correcting and fluctuating trajectory.

This is the 10th test since the Avangard program was resumed. The No. 4 missile is a heavy anti-ship missile in the design phase, with a three-stage propulsion system and an expected range of 1200 kilometers.

This is just a verification test, so they fired a high-altitude ballistic trajectory from the coast inland, with the landing point being a grassland firing range more than 400 kilometers away.

About ten minutes later, the firing range relayed the message:

"Ball #4 hit the target, with an error of 670 meters!"

"Tsk."

Qian Lin'an and the other researchers felt somewhat uncomfortable. Although it was an inertial navigation system without satellite guidance, the data was still quite different.

If it's used to attack warships, the deviation is too great.

The only advantage is that its reaction speed is faster than that of ordinary missiles, only a little over 10 minutes.

Qian Lin'an: "Since the No. 4 missile landed in the right place, it proves that the missile design is not the problem. However, we still need to find a way to improve the accuracy... Never mind, let's try the No. 5 missile instead."

The others breathed a sigh of relief. Even-numbered missiles were ground-attack munitions, while odd-numbered ones were air-to-air/anti-missile/anti-satellite munitions.

The latter is actually easier in comparison, and it is the real focus of the Vanguard Project.

As everyone continued to finish up the work, Qian Lin'an stared at the turret on the semi-submersible ship, lost in thought:
460 mm is still a bit small; it's not big enough for a rocket, especially when it needs to accommodate wings.

Or... should we make it bigger?
(End of this chapter)