One Thousand Eight Hundred and Sixty-Two The Blockade

The construction speed of the asteroid belt defense network was lagging behind, and it was also directly related to the construction of the Jupiter defense network.

You should know that the asteroid belt at that time did not directly face the alien fleet, and the planned Jupiter defense belt had not yet laid its foundation before it ushered in the first impact of aliens.

Although the expeditionary campaign severely hit the aliens on Jupiter, they were either hiding underground at a depth of tens of kilometers or hiding underwater at a depth of tens of kilometers. The expeditionary fleet could not participate in completely eliminating the enemies of Jupiter.

Shortly after the end of the campaign, signs of alien activities appeared on the surface of Ganymede. In order to prevent the enemy from resurrecting, the joint command decided to give priority to building the Jupiter defense network, regardless of personnel or materials, all tilted towards the Jupiter defense network.

Under such an arrangement, missile bases in the direction of Jupiter were built and used one after another, and soon formed the initial defense network to blockade Jupiter with long-range missiles.

In order to achieve the purpose of saving resources, the first batch of missile bases in the direction of Jupiter were basically built on the satellites outside Callisto, mainly Callisto XVIII and the Himalaya satellite group, with semi-major axes within 12 million kilometers, a total of five satellites and twelve missile bases.

The missiles used to blockade Jupiter have some technical connection with Flash, but their structure is not as complicated as Flash, and their range is much shorter than Flash.

He noticed that the technical difficulty of those missile bases lies not in the missiles, but in the bases themselves!

Ye Han checked it out and found that the missile bases are not complicated. They are nothing more than an integrated fully automatic weapon system including detection, locking, and launching functions. For the current level of human technology, there is no pressure from design to completion. The real trouble is how to provide electricity for these bases!

It is impossible for humans to build power stations on those barren satellites. There is no condition for power generation there. The only power supply equipment that the base can use is batteries.

Automatic missile bases are all large electricity users. No matter how advanced the high-energy batteries are, they can't last too long. The only way is to use photovoltaic cells.

Ye Han knows that the light level of Jupiter is only 4% of that of the earth. If you want to get enough electricity, you must increase the number of photovoltaic cells, and photovoltaic cells must be placed on the surface of the satellite that can receive sunlight. In this way, photovoltaic cells become the short board and weakness of the missile base.

The threat comes from two aspects. First, the large-scale laying of photovoltaic cells will inevitably attract the attention of aliens, and the target of long-range missiles is alien warships. Only aircraft with a large enough volume can attract the attention of the automatic system. If aliens use small spacecraft to land, the system may not activate the missile.

In order to protect photovoltaic cells,

the coalition forces had to add a batch of medium-range and short-range missiles to prevent aliens from landing on satellites.

Another power comes from Jupiter's own powerful radiation belt, which is the natural enemy of all electronic equipment. Any electronic equipment in the missile base must be sealed in a radiation-proof shell.

Strong radiation has a more serious impact on radar. Ordinary radars cannot operate normally near Jupiter. High-power radars can be used, but the effect is really not very good. In the end, they had to use composite means to capture the target with optical lenses and lock the target with laser radar to solve this thorny problem.

It may be that human actions attracted the attention of aliens. Shortly after the first phase of the Jupiter defense network was delivered and put into use, an alien fleet consisting of three warships tried to leave, but the fleet was still in the acceleration stage and was intercepted by the defense network remotely. All three alien warships were not missed and were destroyed by long-range missiles one after another.

The actual combat effect of the defense network has been initially proven, but it takes three to five missiles to destroy an enemy ship. Calculated based on sixteen missiles per base, the entire defense network only has 192 missiles. As long as they are willing to pay, and send out 180 warships at a time, the aliens can break through the defense network at any time!

Originally, the Jupiter defense network was designed unmanned, but after many problems were put on the agenda, the coalition had to abandon the unmanned plan and set about forming the Jupiter fleet.

Fighting against the alien fleet in the direction of Jupiter is only the second task of the Jupiter fleet. Its first task is actually to maintain the normal operation of the Jupiter defense network.

The coalition also plans to build a multifunctional integrated fleet base for the Jupiter fleet on the 170-kilometer-diameter Jupiter Moon, which integrates supply, maintenance and manufacturing.

The Jupiter fleet has made all preparations for building the base, but due to the tight supply of raw materials, this base is still on paper... The Jupiter fleet has chosen a location for several years, and now it is the fleet's anchorage, and all the warships without missions are parked there.

There is an unconfirmed news that the Jupiter Fleet has the idea of ​​self-reliance and plans to dig underground space to lay the foundation for future base construction. I don’t know if this is true.

Later, the aliens from Jupiter made several attempts, but humans had few bases and alien warships. With the assistance of the Jupiter Fleet, several conflicts ended with human victory, and humans successfully blocked Jupiter.

Later, the enemy’s warships increased, and Jupiter’s defense network became more and more complete. The missile base began to expand to the Yananke satellite group... The semi-major axis of this satellite group is about 20 million kilometers, which is a bit far from Jupiter. It has to use missiles with a longer range, and later simply replaced them with flash missiles.

Later, the coalition believed that there was no need to continue to expand the defense network outward, and focused on strengthening the strength of the inner defense network. The missile bases developed from twelve to twenty-seven, gradually forming the current Jupiter defense system.

The last attempt by Jupiter took place in December 34. The failed outcome finally made the aliens in the direction of Jupiter realize the reality. They had to choose to lie dormant. For more than two years, not only did they no longer send out warships, but even servants and giant insects rarely appeared on the surface of the satellite.

But the coalition believed that the enemy would never give up. They were just accumulating strength. With the abnormal shipbuilding ability of the aliens, it was like playing to build hundreds of warships in two years.

Therefore, the coalition never dared to relax and has been strengthening Jupiter's defense force. Not only did it increase the number of missiles, but the strength of the Jupiter fleet was also gradually strengthened.

Today's Jupiter defense network is no longer what it used to be. Its core blockade radius is 12 million kilometers, and the farthest blockade distance is 20 million kilometers. If you want to break through the blockade of the defense circle, you have to pay a heavy price of at least 300 to 400 warships.

This is just the price of breaking through the defense network. If the strength of the Jupiter fleet is also taken into account, the enemy will have to pay another 100 to 200 warships.