Xu Jun was born in a coastal city. His family was a big family, with a rich family, a scholarly family, and a large population. The elders and relatives in the family were either studying or doing business.

Xu Jun has been smart and smart since childhood and is loved by his elders. His grandfather is a famous historian. Because his sons are so talented that no one has inherited his mantra, he is very upset. Now he has a smart and studious grandson, and he can't help but put his hopes on his grandson, hoping that there will be successors. As a result, all the elders are caring for Xu Jun and carefully cultivated the successor of the Xu family's Grand Historian. Xu Jun also worked very hard, learned classics, history, collections of astronomy and geography, and learned the character and knowledge of his grandfather, which made the old man really happy.

In addition to family knowledge, Xu Jun's interests are indeed wide enough. He can be regarded as a model of miscellaneous people, especially likes machinery and flight. He has dreamed of being a pilot since he was a child, but because of his physical condition a little worse, he lost his heart and turned his interest to mechanical and power sports. Unexpectedly, the private flight school was opened in China. As a result, his family could not withstand Xu Jun's soft temper and agreed to pay him tuition for flight without delaying his study. It is always a good thing to be versatile. In the end, when he was in the second grade of college, he finally realized his dream of blue sky and obtained an international flight license. From then on, he would go to that school for training every year to increase his flight hours and enjoy it.

After graduating from college, Xu Jun proposed to his family to study abroad for a very good reason. In part, the national history was dominated by his grandfather's generation, and it was difficult to surpass it. Many world history was still blank in China. If he went abroad to study, he might not be able to achieve something in that area. When his grandfather heard this, he also admired his ideas, and the result was that Xu Jun's study plan was approved by the Xu family. He just asked him to call his family every month to report his safety.

So two years ago, in 2008, he came to Frankfurt University alone from Shanghai to study abroad. He applied for a graduate student in modern world history. Xu Jun had a lot of experience in the study of modern world history, so he quickly got into the state after passing the language and was ready to submit his postgraduate thesis at the end of this year. The topic of the thesis he chose was about the promotion of military technology in World War II to promote historical development. So in order to have an intuitive understanding of that aspect, through the introduction of his supervisor, he came to work in a private military museum outside Frankfurt during the winter vacation. As a result, many years later, when Xu Jun thought of this matter, he still regretted that he had mistakenly boarded the pirate ship when he was young and ignorant.

Although the museum is not large, it has five floors, and the basement is full of five floors. The exhibits are all kinds of World War II ordnances and other related products. The boss, that is, the director, is an old man who looks over 80 years old, and his body is still very strong. Xu Jun saw from the old man's walking and speaking expression that the director must have been a soldier before. "It's probably a good old German soldier who participated in World War II," Xu Jun thought secretly. Although it's just a private museum, the collection is very rich and complete, and there are several precious exhibits that are not even seen in large museums. The good looks make people feel that the thing was opened directly from the production line of that year. This made Xu Jun start to doubt that the director was a remnant of the Third Reich who managed which Nazi secret arsenal.

At first, Xu Jun was assigned to do some simple archiving and verification tasks for exhibits, and later he also had some maintenance and maintenance work. Seeing that Xu Jun had done his job well, the director then handed over the task of sorting out and repairing broken ordnances and cleaning the warehouse. The museum has an affiliated small repair shop, which usually not only repairs the cultural relics in the museum, but also undertakes the business of restoring private collections of old vehicles and antique weapons. The ability to access so many rare weapons and old precision machinery has made Xu Jun, a fanatical machinery enthusiast, have no complaints about the curator's cruel exploitation and is still enjoying it. The result is that this future historian has become a complete ordnance, excellent warehouse administrator and mechanical expert.

The old guy may think that this boy from Oriental still has potential to tap and energy to squeeze out, so he asked Xu Jun to lead a few mechanics in the hall to sort out the heavy equipment.

After taking on this work, Xu Jun discovered that the inside of the first-class tanks and aircraft with the best quality outside had long been eroded by time. Various rubber products had become extremely aging, and the electrical circuits were also messed up due to aging problems. However, the mechanical part was not rusted because the oil seal was very delicate at that time. After changing a few electrical components and installing new circuits, it was really activated, which made Xu Jun have a deep impression of the industrial level of the German and Western countries at that time. The aircraft was a little difficult to deal with, but after inspection, it really opened Xu Jun's eyes. Especially the Messerschmitt 109 was actually a brand new original, and it was a model before 1940. It really made people wonder the origin of the director. I think about it, I still have to repair it.

The director asked someone to retrieve the production materials and technical drawings of the factory at that time. Xu Jun thoroughly inspected the plane according to the drawings. It was really an old antique. Although the sealing work was done perfectly, due to the age of time, the metal was naturally fatigued and the structural strength had decreased. Some structures needed to be replaced with new ones, the battery and circuits had to be replaced, the hydraulic system had to be re-cleaned, the hydraulic pipe oil seal had to be replaced, the fuel pump had to be replaced, the radio station had to be removed for maintenance, some places also need to be reinforced, the instrument had to be removed and cleaned and oiled for commissioning.cāo longitudinal steel wire was still strong, but the connection bolts were all scrapped. The engine was OK, but it took a lot of time to clean the previous oil seal. The conclusion was that if it was repaired according to his plan, it should still fly.

After Xu Jun finished all these things, he suddenly realized that two months had passed. He was immersed in the fanaticism of World War II precision manufacturing technology and completely forgot his studies. Now the school had already started, so he had no choice but to ask his tutor to simply take a year off and retake this year's course next year. The director was a little embarrassed, so he greeted Xu Jun's tutor, and also obtained a work visa for Xu Jun, and then signed a two-year contract with a high salary to hire him as a museum technician. It was also considered a compensation for delaying Xu Jun's academic performance. Xu Jun also learned the lesson of losing his ambitions this time, and began to pick up his studies again in his spare time. He began to use a large number of World War II documents in the museum warehouse (even top secrets, and the old man's past is absolutely suspicious) to study the history of World War II seriously.

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Chapter completed!