As Su Mo'er said, Empress Changsun summoned Li Su the next day and told Li Su that she was going to return to Chang'an, and the next day she left Yizhou City under the escort of the guards.

At the gate of the city, Li Su showed a very reluctant expression, and his words showed reluctance, but he was directly debunked by the eldest grandson, "Don't act, I know you want me to go back to Chang'an, there is no restraint, you can do whatever you want." ”

"The queen mother misunderstood her son." Li Su was like a thief who was exposed in broad daylight, ashamed and ashamed.

Empress Eldest Sun didn't plan to continue to dwell on this issue, her children grew up, and no one liked the elders watching in front of her, she was also a person from the past, so she said: "I really didn't expect such a big change in Yizhou, the idea of women's university is good, you have to pay attention to it, and after a few years, when the son grows up, I will let her come to Yizhou to study, and then your brother must remember to take care of his sister." ”

"Huh?" Li Su was stunned, Empress Eldest Sun's words today were really more thrilling than the other, but he couldn't say anything, so he said, "That's nature." ”

Then Empress Changsun held Cui Yingying's hand, as if looking at her own children, and said in a doting tone: "Thanks to Yingying's care during this time, if you have any difficulties in the future, just tell the queen mother, and the queen mother will definitely help you." ”

Cui Yingying smiled sweetly: "Thank you, Queen Mother." He looks very well-behaved.

The two women talked about each other, and they chatted again, and Li Su, who was standing on one side, was in a hurry, and more than ten minutes passed. Empress Changsun finally finished her explanation, and then got into the carriage.

"Son-in-law sends off the queen mother!" Li Su said respectfully with a group of officials.

The voice fell. Empress Changsun's carriage started and headed north along the cement avenue in the north of Yizhou, Li Su looked at the distant convoy and finally finished a matter, and his task was finally completed.

The convoy gradually disappeared from view, and Li Su's spirit suddenly rose, the reason why he was in a hurry to send off Empress Changsun just now was really because there was a very important thing today, which had been built for nearly a year. The first batch of twenty steam treasure ships were finally launched, and they were officially tested today, and Li Su waited too long for this day.

Cui Yingying left accompanied by the maidservant, and the officials of the government affairs system also returned to their posts, Li Su, Zhu Youzhi and Cheng Huailiang glanced at each other and smiled. The three of them got on their horses and galloped all the way from the north gate of Yizhou to the south gate of Yizhou, and then to the shipyard of Nanhe.

At this time, many people had gathered in the shipyard, all of them were shipwrights and technicians from Taoyuan, as well as professional navigators from the Admiralty Department of the Military Academy, who were in charge of the trial of the treasure ship this time.

"Your Highness!" Li Su came down from the riverbank. A group of people saluted Li Su one after another, Yun Shou and Du Zhiping were among them.

The Nanhe Shipyard undertook the construction of ten treasure ships, and now all ten treasure ships are docked at the Nanhe port, and the huge iron anchors are sunk into the water. The huge hull of 120 meters covers the sky and the sun, which is very spectacular. At this time, there were already many crew members on the treasure ship who were already making preparations, and these people were seafarers who had been trained since the beginning of shipbuilding.

From the bottom up, there are many square openings on one side of the treasure ship, with a lid on them, and black barrels protrude from these holes, and the two hundred and forty guns of each treasure ship are all turned.

"Let's go, go up and have a look!" Li Su looked at the treasure ship moored in the water, and his heart was excited and shocked, and at the same time, he also had a deep sense of pride, the history of a weak country in the sea would not be repeated in his time, and the Yizhou Navy would be the only hegemon on the ocean.

Zhu Youzhi and Qin Huaiyu were already stupid, and Li Su screamed a few times before he came back to his senses and followed Li Su to the treasure ship.

When he arrived on the deck of the treasure ship, Li Su realized the huge size of the treasure ship, in addition to the normal three masts more than ten meters high, there are also four huge chimneys standing in the center of the treasure ship, each chimney is enough for one person to surround, at this time it is smoking outside, many people are busy from one end to the other end of the ship, and there are even people running around on horseback, which shows the wide area of the ship's deck.

"Your Highness, is it time for sea trials?" Yun Shou proudly said that this treasure ship was built by him himself, can he not be proud?

Li Su and the others just looked at Yi Qi Qi on the boat and were speechless for a long time, and when they heard this, Li Su said, "Let's start." With that, he prepared to disembark.

Qin Huaiyu was puzzled: "What is Your Highness doing down?" ”

Li Su remembered that many steamships sank during sea trials in history, and he felt that it was better to be cautious, especially since there were more than 200 guns on this ship.

"We'll take it again when the trial is over, and you can come down too." Li said.

Qin Huaiyu didn't know why, but obeyed Li Su's order to get down from the boat along the erected plank.

After Yun Shou saw Li Su and his party walking down, he said, "Start sailing!" He understood what Li Su was worried about, but he couldn't go down, because he wanted to prove to everyone that the ship he built could stand the test.

Everyone waited below, looking at the treasure ship where Yun Shou was, and in everyone's expectation, with the high sound of "woo ......", the huge gray body of the treasure ship began to move.

These ten treasure ships are all arranged in a parallel line, Yun Shou's treasure ship is the first, after leaving the port, the degree of the treasure ship is getting faster and faster, and after a while, it will sail into the center of the river, and then it will start to travel south, and it will disappear in everyone's field of vision after a while, and the degree is very fast.

Du Zhiping was holding a timer in his hand at this time, and this sea trial was not only to test the strength of the hull, but also to test the ship of the steam ship.

With the departure of the steamship, many naval cadets still discussed, with excited smiles on their faces, they will be the first batch of navy to install the steamship treasure ship, and judging from their reactions, they are obviously very satisfied with the performance of this treasure ship.

"With this sharp weapon, His Highness can run rampant on the water, and there will be no more enemies." Zhu Youzhi said with emotion, "It's just that since the treasure ship has been installed in the army, what is the goal of His Highness next?" These steam ships can't be left here, it's too wasteful. ”

Qin Huaiyu was familiar with the 6 places, but he didn't know anything about the sea, he said: "What I said is, what is the next step?" ”

Li Su said with a smile: "Of course, it is to conquer the sea and sell the goods of Yizhou to every corner of the world in exchange for gold, raw materials and various treasures. ”

Zhu Youzhi thought thoughtfully, "Could it be the colonization that His Highness said?" ”

"That's right, the next step is to colonize and turn the ocean into our inland river." Li Su's heart was surging, and his fighting spirit was high.

Qin Huaiyu and Zhu Youzhi were fascinated when they heard this, and began to talk to Li Su about the specific meaning of colonization.

As they were chatting, many people began to cheer, and Li Su turned his head to look, it turned out that the treasure ship had returned, and the degree of coming back was faster than the degree that had just left.

Shun lì docked on the shore, Yun Shou got off the treasure ship with excitement on his face, "Your Highness, the steam treasure ship has returned from the trial voyage of Shun lì." ”

Li Su patted him on the shoulder and said to Yun Shou and Du Zhiping: "You are all great heroes of Yizhou, and your names will definitely go down in history." ”

Yun Shou and Du Zhiping glanced at each other, and they were both extremely happy.

Du Pingzhi said: "Without the support of His Highness, we would not be able to go today, these are what we should do." Then he said: "Your Highness, I have estimated that the voyage of the steamship has already come out. ”

"How much?" Li Su asked eagerly.

"Sixty miles per hour." Du Zhiping said excitedly.

Zhu Youzhi and Qin Huaiyu were at a loss when they heard this number, but Li Su understood that this was already a great number, because the fastest container ship in the world is only twenty-four knots, which is about ninety miles per hour.

Li Su nodded and praised, "Yes, this king is very satisfied, now deliver the treasure ship to the navy and the Shengtang Chamber of Commerce for use!" These treasure ships have reached the standard of eighteenth-century ocean warships, and Li Su can't be too demanding, because this can already be said to be a miracle.

After Li Yu's words were finished, Zhu Youzhi shouted to a group of naval cadets: "Sun Dongxu, Xia Guangyi, Shi Zhen!" ”

"In!" When the three cadets heard the order, they immediately trotted over, these people were the best among the cadets of the Admiralty, their ancestors were all at sea to make a living, responsible for marine transportation, when they were young, they often went out of Yizhou with their elders, to Guangzhou, and then from Guangzhou to Persia by sea, and later the military academy recruited students, and they heard that there was a navy specializing in navigation and signed up.

His eyes swept over the three of them, and Li Su said: "You are responsible for the handover ceremony with the shipyard, and after the ceremony, you will gather at the Military Academy, and this king has a task to hand over to you." ”

"Yes!" The three of them gave a military salute to Li Su.

Li Su didn't want to participate in the rest of the small things, because he was already brewing something new, and the crew of the shipyard was called to praise them, and Li Su went to other shipyards, because the treasure ship was built in three shipyards, in addition to the largest shipyard, there were two other shipyards responsible for the construction of the remaining ten treasure ships, and they were also completed at the same time, and Sun Dongxu and several people were also assigned to three shipyards by Li Su to take over the treasure ship.

At the end of the trial ceremony, Li Su, Zhu Youzhi and others returned to the military academy, and several people directly entered the combat command room of the academy, which was full of various maps that Li Su bought from modern times, as well as some Yizhou sand table models.

Zhu Youzhi and Qin Huaiyu sat down in the combat command room and looked at Li Su in puzzlement, not understanding what Li Su was going to do, in fact, what Li Su thought was very simple, Yizhou is suitable for 6 defenses, but it is definitely not suitable for building a naval base here, so the emerging Yizhou Navy needs to open up a real deep-water port.

Laying a map on the table, Li Su called both of them over, and he said, "Didn't you ask what the navy would do next?" Now, I would like to tell you that the next step is to build a naval deep-water port here. ”

Zhu Youzhi and Qin Huaiyu looked at the place where Li Su's finger pointed, it was a small island in the sea adjacent to Datang, and there were two words under Li Su's finger - Ryukyu.

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