On May 22, 2030, the bridge of the Nanzhou space carrier.
There was not a trace of unnecessary noise in the bridge, and all the bridge officers stood ready.
At this time, the attack fleet was near Callisto, moving parallel to Callisto at a distance of one thousand kilometers - this distance was very close, but far beyond the range of alien weapons.
The Qiang II fleet had arrived at Jupiter not long ago and was changing its orbit to low orbit. However, the change of orbit would take two to three days, and the attack fleet did not have time to wait any longer.
The assault fleet was ready for battle. All the warships rushed outward with their tails and bows pointed at Callisto. The ground-to-air battle was about to begin.
At ten o'clock in the morning, Gao Kai broke the silence: "Let's get started."
"Get started!"
The combat staff quickly passed on the order. When the order reached the Yaoshan, a voice shouted loudly: "Start the port side electromagnetic gun -"
At the same time, the machinery in the gun cabin was running, and the mechanical arm inserted a wrist-thick tungsten alloy rod into the gun bore. Immediately, the current was turned on, and the lightly suspended metal rod was immediately bound in the air by an invisible force.
"Launch -" the flagship gave the order, and the metal rod was immediately sent into the gun barrel by invisible electromagnetic force. After continuous acceleration by the magnetic force, the metal rod weighing 50 kilograms came out of the barrel at a speed of up to 6,400 meters per second!
The port cannon had just finished firing, and the starboard cannon immediately caught up with it, firing another salvo.
Just like that, the electromagnetic guns on the left and right sides started to sing, and the twenty-three warships fired more than ten rounds in a row before they stopped shooting under the command of the flagship.
The electromagnetic gun is the latest equipment of the space fleet. Space carriers, destroyers, frigates and assault ships all have one on the left and right sides, and the supply ship has only one. As for the transport ship handed over to the resistance organization, there is no need to mention it. Let alone the electromagnetic gun.
Not a single close-in defense gun could be found.
On the bridge of the Yaoshan, Ye Han looked at the main screen silently, and suddenly remembered the memory of seeing Callisto for the first time.
At that time, Callisto was like the moon, full of craters and valleys, and looked desolate no matter how it looked.
Today's Callisto has been greatly changed in the hands of aliens. Many originally undulating places have been bulldozed by aliens, and many ice-white alien buildings have been built.
Ye Han glanced at the time and felt a little emotional. It was now 10:02 minutes and 25 seconds. In eleven seconds, the first wave of shells will fall on Callisto, and this is only the first round of bombing.
It will follow round after round, and it will not come to an end until all the buildings on the surface of Callisto are destroyed.
A bright light suddenly burst out on the surface of Callisto, but it disappeared immediately. Ye Han glanced at the time, which was exactly two minutes and thirty-six seconds.
Next, the surface of Callisto seemed to be boiling, and there were fleeting lights everywhere. Those lights were so inconspicuous, like a batch of inferior fireworks being set off.
However, if you zoom in closer, you will see that every flicker of light will shatter everything nearby, collapse buildings, dent the ground, or leave a crater with an astonishing diameter.
According to Ye Han's experience, every tungsten alloy shell is as powerful as a large-caliber shell. However, the fleet executives who witnessed this scene frowned in unison.
The fifty-kilogram tungsten alloy shell is indeed a little lighter, and it is normal that the power is not as powerful as an asteroid impact. However, the actual impact effect seems to be far from the theoretical calculation results, which makes people scratch their heads.
There cannot be errors in calculation results, so is it a design problem or a principle error?
Fortunately, no one in the fleet's senior management is a stubborn ass, so it doesn't matter if the effect is slightly less effective, as long as it is not ineffective.
So Gao Kai ordered a second round of air strikes without hesitation and specified that depleted uranium warheads should be used instead of tungsten alloy warheads.
The electromagnetic gun is equipped with two kinds of warheads. The tungsten alloy warhead is large and heavy, with a muzzle velocity of about six to eight kilometers per second. It is generally used for ground attacks. Depleted uranium bullets are much lighter than the former, and the muzzle velocity is as high as more than 10,000 meters per second.
The main purpose is battleship confrontation.
Depleted uranium bombs are too light, and the effect of using them to bomb the ground will not be better than tungsten warheads. However, no one in the entire fleet asked a question. All the warships participating in the air attack immediately complied with the instructions, and in the blink of an eye, they were hit by several rounds of depleted uranium bombs.
More than a minute later, several more light spots exploded on the surface of Callisto, and their brightness and duration were much stronger than those of tungsten warheads.
This phenomenon attracted Ye Han's attention. He knew that depleted uranium can generate high temperatures and spontaneously ignite when it hits a target, but the main component of Callisto's thin atmosphere is carbon dioxide, so where does the phenomenon of depleted uranium bombs hitting a target come from?
?Do aliens reserve oxygen?
Otherwise, the depleted uranium bomb penetrated the ceiling of the underground building...
The target of each cannonball was not randomly selected. During this period, the fleet was observing Callisto 24 hours a day. A few days ago, aliens could be seen running around on the surface of Callisto, but after the fleet arrived,
All the aliens disappeared, apparently hiding underground, and the route and location they took during their escape have remained in the fleet's observation records, providing target reference for bombing.
The second round of bombing was over, and the effect was indeed not as good as the first round. Gao Kai said nothing, but asked in a low voice: "Did you find anything?"
"No." Lu Zuo replied softly.
Gao Kai's facial features were squeezed into a ball: "We've already started a war and you still don't come out. What the hell is going on?"
The assault fleet has been wandering near Callisto for a while. It is said that the alien fleet should have appeared long ago, but the cannonballs have fallen on Callisto, and still no alien warship has appeared. This is weird.
The situation really made him uneasy.
Lu Zuo said: "Commander, I'm worried that Callisto is a trap. Maybe the aliens are afraid of us running away and are waiting for us to land. By then we won't be able to run or leave, and that will be troublesome.
"
He is not afraid of the enemy openly. Space is so vast, with no cover and no obstacles. Furthermore, a human warship is as fast as an alien warship, and has obvious advantages in traveling long distances. If the aliens want to leave, they can easily
Can't stop it.
Gao Que smiled slightly: "That boy Ye Han wants to go with you."
"Then the next step..." Lu Zuo deliberately said half of it, leaving something to say to Gao Kai.
Gao Kai said: "If the alien doesn't move, let's move. Let's change the trajectory. Get closer and blast him a few more times."
"Where?" Lu Zuo asked.
Gao Kai's eyes showed a trace of determination: "About 700 kilometers away, let's conduct a targeted clearing to see if the aliens can calm down."
When Lu Zuo heard this, he couldn't help but laugh: "Change the track, change the track, seven hundred kilometers!"
He couldn't help but laugh. The effective range of the thin light was between 600 and 700 kilometers. Callisto's anti-aircraft firepower would definitely not be able to reach the fleet, but the fleet's firepower could bomb Callisto without being affected. That's it.