Deng Jiegan deliberately controlled the speed. He arrived at the waters near Brazil when night fell. It penetrated at least 350 nautical miles deep on the Brazilian coast and could no longer be called the Brazilian coast.

After arriving and using the measurement tool to measure the position, Deng Jiegan sent out radio waves at a fixed point as agreed. The radio waves contacted the supply ship located near the reservation site, and it was also the last supply ship in the entire plan. They would provide a complete supply and maintenance operation for the entire fleet.

High-frequency radio waves quickly penetrate the space and spread out. Soon, in special channels, the feedback information came back. Radios have many frequency bands. Special frequency bands can be obtained through special processing, and the requirements for electronic products are extremely high. This is also one of the current confidential methods. It is very simple, but very effective. At least according to China's research on radio, it is impossible to transmit and accept this radio wave without the all-in-one machine supporting various electronic components.

According to the order, a fleet of at least 7 supply ships returned here to replenish their fleet. Sure enough, after only about 5 minutes, the contact signal from the special channel sounded. After both parties determined the password and location, they began a long wait.

This is located in the South Atlantic Ocean. Although it is in Brazil, the straight-line distance from the Brazilian shore is about 350 nautical miles. In a sense, it has already penetrated deep into the Atlantic Ocean. It is not close to any route, even a submarine is safe here.

After passing Africa, Deng Jiegan was very careful. Even though he had reached the predetermined sea area, he had completed several confirmations with the supply ship in code. For insurance, only two submarines were on the sea surface, waiting for the supply fleet. Other submarines were ready for battle and dived into the water. The farthest one was even more than 2 nautical miles away from the ships exposed to the water. This was a relatively safe distance. In case of something, they either came to support or simply turned around and left. The speed of 16.5 knots underwater is the guarantee of the safety of the Qin-class.

In a foreign country, there were no allies or help around him. For Deng Jiegan, the best choice was to be cautious. Although he had solved the fleet from Australia, the warships had entered a dangerous area of ​​5 kilometers. If the opponent was moving forward at full speed, at a speed of about 35 knots, 5 kilometers would be at most four or five minutes. If the opponent had strictly observed, they might only be able to escape, and it depends on whether the other party was willing to pursue. He would never want to do this again after such an experience.

In fact, the supply ship pair did not make them wait for a long time. After about half an hour, seven supply ships appeared in the submarine's vision. They flew the Brazilian flag. China has no sphere of influence overseas, and all supply ships cannot fly the Chinese flag. The Chinese flag will only be flew by supplying it in China's inland coastal defense circle.

War has been declared, and most Chinese ships cannot appear in war zones, otherwise they will definitely be attacked by the Allied fleet. These supply ships are Brazilian flags. However, before they arrived, they had already contacted them via radio. They would hang secret flags at the highest point of the bow, and wrote a Chinese Chinese character in fluorescent materials based on the original Brazilian flag.

The fluorescence is very shallow, but it can be seen through a special telescope. When Deng Jiegan saw the agreed code, he immediately went to contact him. As long as the signal is correct, there will basically be no problems. In addition, they only have two ships, and even if there are any problems, other ships can react.

There is no problem. The seven ships are supply ships from China. This type of ship is modified on the basis of a 10,000-ton merchant ship. On the surface, it looks like an ordinary standardized merchant ship. However, in fact, its load capacity is only 00 tons, which is far from the rated 10,000-ton class. However, more are handed over to various auxiliary equipment, such as comprehensive tower cranes, or oil pipelines, etc. Even the speed, this standard cargo ship that seems to be 10,000-ton class has a strong enough structure and fluid to run at a speed of about 22 knots as fast as possible. Basically, it can catch up with the speed of the main ship.

In the concealment, the appearance of this supply ship is similar to that of a standard-class giant ship of 10,000 tons. Such a giant ship will take into account the load capacity and economy, will not consider the speed, and cannot be modified too much. That is equivalent to covering up the ears and stealing the bell. Those who are familiar with the ship will definitely feel that there is something wrong, so a lot of power is wasted, and the tonnage of the supply is not high.

In China's dock, 28,000 tons of supply ships are currently being built, not only the speed of such a battle patrol is 27 knots, but the types of supply and tonnage of supply are far higher than this supply ship. That is the future. Following the Ocean Fleet and even the special mixed fleet of aircraft carriers, as long as there are 4 ships, the combat sustainability of the aircraft carrier formation can be increased by more than 50%.

This is probably a tactic that only aircraft carrier combat groups can possess. The reason is very simple. In the era of battleships as main battleships, all those who follow the large fleet are warships, and even on the battle line, they can't even get on heavy patrols. Not to mention civilian ships, no matter how outstanding the supply ships are, they can catch up with the main ships at speed, but in order to load more things and have more efficiency, they still have no armor. Such a ship, even if it is 28,000 tons, will encounter any warship, which is unlucky.

In the era of aircraft carriers, the two sides were separated by hundreds of kilometers and had sufficient strategic depth. As long as there was a certain amount of air defense firepower on the supply ship, they were qualified to protect themselves. The reason why aircraft carriers were so big was that they had to accommodate more aircraft in the hangar. On the other hand, they also needed to prepare enough materials, bombs, torpedoes, etc. for the aircraft. Once these things were consumed, the aircraft carrier combat group must return. With the supply ship, the minimum range capacity was greatly improved, and it was also suitable for aircraft carrier combat groups to fight outside the region.

These are the highest secrets of the Chinese Navy. Even these supply ships are all single-line contacts. They fight on the outside and stay away from the Chinese waters. The security is almost not protected and they can only rely on that layer of protection color.

After the two sides handed over, the final basic determination was made, and the supply began. The seven supply ships quickly changed their appearance. There were several tower cranes and oil pipelines on the front and rear decks on both sides. According to the design, this supply ship could provide comprehensive supply to up to 28 submarines. However, it was night at this time. In many senses, the management was not strict. They had at least 5 hours. Therefore, Deng Jiegan chose not to fast supply, but comprehensive and highest standard supply.

Compared with fast recharge, standardized recharge takes longer, but can effectively improve the combat capability of the fleet. In addition to basic recharges such as weapons, torpedoes and supplies, this recharge is more about checking the situation of the entire fleet, such as diesel units, batteries, and even cleaning the submarine. This cleaning is mainly carried out by frogmen underwater, and it also uses some machines. It is better to enter the submarine dock, but it can minimize the damage caused by long-distance voyages. It is recharged half at a time, and two and a half hours at a time. Once the recharge is completed, all submarines will restore their maximum effect.

Deng Jiegan sent half of the ships to guard against 5 nautical miles away to prevent uninvited guests from entering the supply site during supply replenishment. While replenishing, half of the ships will be alerted outside. The ships being supplied will be idle. Except for a small number of necessary personnel on duty, the rest will enter the supply ship.

In addition to the supply facilities, this more professional supply ship also has some entertainment equipment, which are mostly used for the relaxation of soldiers who perform combat missions for a long time. It is easy to say that surface ships are just a little stuffy even if they are not sailing underwater, even if they are on the water. Although the crew has received professional training, the opportunity to relax can be regarded as the foundation for the next battle in the North Sea.

The sea breeze in the North Atlantic blew gently, and two or three submarines were connected to each supply ship. Professional oil pipelines injected oil into the submarine at a speed of 3 tons per minute. Most submarines only have about one-quarter of the oil, and can complete the refueling operation in more than an hour at most. On the other hand, a warehouse of the submarine was opened, and torpedoes were lifted into the submarine by cranes. This is the largest and most critical supply. The submarine's attack power almost comes from torpedoes. Only enough torpedoes can make the submarine perform its maximum effect.

Due to the relationship between training and combat, most submarines have less than half of the torpedoes. To a certain extent, they can no longer exert the maximum effect of the submarine. There are only one torpedo that is loaded into the submarine arsenal to restore the attack power of the submarine.

Underwater, at least 200 frogmen were doing underwater cleaning operations. They held portable tools to clean the plankton, and carried out some cleaning work on the plankton attached to the submarines in the sea, ensuring that the submarines in the future are clean.

Because of the excellent selection position, everything completed in the entire supply operation was quite smooth, with 5 hours of supply, and there was no problem. After completing all the supply operation, the seven supply ships turned away. After performing a series of supply, these submarines changed from exhaustion of thousands of kilometers from the ocean to strength after replenishment. Deng Jiegan ordered the last time to check all the submarine units. After finding that there was no problem, it was almost dawn. After staying in the supply waters for 7 hours, they entered the Atlantic Ocean with their heads raised their heads, aiming northward, connecting the North Atlantic routes between the United States and the United Kingdom. (To be continued.)

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Chapter completed!