At the end of the 50s of the last century, the Soviet Union supplied the first batch of anti-aircraft missile systems to China, which laid the foundation for Soviet-Chinese military-technical cooperation. The main purpose of Soviet-Chinese military-technical cooperation is to enable China, with the assistance of the Soviet Union, to rapidly establish a modern scientific and technological foundation, so that it can produce and improve all kinds of weapons and military technical equipment on its own.

In October 1957, a Soviet-Chinese conference on military-technical cooperation was held in Moscow. At the end of the meeting, an agreement was signed on the transfer to China of production licenses and technical materials for various types of missile weapons, as well as a series of the latest military technologies. In addition, the Soviet Union began to provide China with various types of missile weapons, including airborne missiles, tactical missiles, and anti-aircraft missiles. In particular, anti-aircraft missiles were particularly important in the context of the outbreak of the Taiwan Strait crisis at the end of August 1958. At that time, the United States provided Taiwan with a large amount of weapons and equipment, including the 98-57D high-altitude reconnaissance plane, and soon the U2 high-altitude reconnaissance plane, but the air defense weapons equipped with the Chinese mainland at that time were powerless against these reconnaissance planes.

In this case, the Chinese leaders asked the Soviet Union to provide China with a secret CA75 'Dvina River' anti-aircraft missile system, which was developed by the 'Diamond' scientific research and production complex led by ∧ = ∧ = Raspretin. In the spring of 1959, the CA-75 anti-aircraft missile system (including 62 missiles), capable of equipping 5 launch battalions and 1 technical battalion, arrived in China. The Soviet Union also sent a team of experts to Huaxia to maintain the missile system. On October 7, 1959, the air defense forces of the Chinese mainland shot down Taiwan's 98-57D high-altitude reconnaissance for the first time near Beijing. By the beginning of the 60s, Huaxia had mastered the technology of licensed production of the CA-75 anti-aircraft missile system. Huaxia named its own CA-75 HQ-1 ('Hongqi-1'). At the same time, the Soviet Union also considered transferring the licensed production technology of the "Cube" self-propelled air defense missile system to China, but due to the intensification of the differences between the Soviet Union and China from the end of the 50s, on July 16, 1960, the Soviet Union announced that all experts would be transferred from China to the Soviet Union-China military-technical cooperation for several decades.

Under these conditions, Huaxia began to refine its anti-aircraft missile weapons according to the principle of 'self-reliance'. In 1965, while continuing to produce HQ1, Huaxia began to develop the HQ2 anti-aircraft missile and its improvements. Compared with HQ-HQ, HQ2 has a longer range and stronger anti-electronic interference ability. In 1967, the HQ2 anti-aircraft missile system began to equip the troops.

In the 60s, on the basis of the Soviet-made CA75 air defense missile system, Huaxia completed three high-altitude air defense missile system development and production programs, in addition to the aforementioned HQ1 and HQ2, there are also HQ-3 air defense missiles specially designed to deal with the US R71 supersonic high-altitude reconnaissance aircraft that are disturbing the Chinese mainland. But only HQ2 of these has been further developed. - In the 80s, in order to keep the XING energy of anti-aircraft missiles in sync with the development of air attack weapons, Huaxia made several improvements to the HQ2. In 1973, on the basis of summing up the experience of the Vietnam War, the first improvements were made to develop the Ho-Za anti-aircraft missile system, which was equipped with troops in 1978. In 1979, the company began to develop a mobile missile with a tracked chassis, which adopted a high-thrust cruise engine, a large-capacity warhead and a new type of radio fuse, and was installed in 1986.

At the same time, Huaxia also developed the HQ-ZP, HQY and a series of other models, but none of these models were further developed.

In the 80s, the production rate of various types of HQ2 anti-aircraft missiles reached an annual rate, and a total of about KC anti-aircraft missile battalions were equipped, which formed the basis of China's anti-aircraft defense at that time. At the same time, Huaxia has also provided hundreds of HQ2 missiles of various types to Albania, Iran, North Korea, Pakistan and other countries. - In the 80s, while developing the HQ2, Huaxia also perfected the HQ61 anti-aircraft missile system for the army and navy. The development of the HQ61 began in 1967 as a prototype of the American "Sparrow" air-to-air missile, and Chinese experts obtained the wreckage of the "Sparrow" missile during the Vietnam War. Therefore, in addition to resembling the amplified 'Sparrow' missile in appearance, the HQ61 also uses the same semi-active homing head as the latter. However, the development of the HQ-61 took a long time, and it was only in December 1976 that it began to test "fire" and was not equipped with troops until 1986. The HQ-61 air defense missile system of the army type includes a twin launch device, a Type 571 target detection station, a missile guidance station, a command station, and an integrated ground equipment system.

At the end of the 70s, the modernization policy adopted by the Chinese leaders had a great influence on the development program of new missile weapons, including anti-aircraft missiles. By the first half of the 80s, Huaxia had begun to intensify the development of several new anti-aircraft missile systems. The principles for the development of the new air defense missile system are: to improve mobility, increase anti-jamming capability, shorten the launch cycle, and realize multi-channelization. Since the beginning of the 90s, short-range air defense missile systems such as M-80, Y-60, P9, and HN9 and their modifications have been installed one after another. At present, they are widely used to carry out the tasks of air defense in important places and field air defense. The M-80 (HQ7) is part of the army and navy's air defense weapons, which was developed on the basis of the French 'Sidewinder' missile, and is available in both fixed and mobile versions. Development began in 1979 and testing began in 1985. In 199, the Army-type M ether made its debut at the Dubai International Airshow. In 1998, its modified M-90 took part in the Farnborg International Air Show. The M90 is characterized by a longer range and higher interception effectiveness against aircraft, cruise missiles, anti-radiation missiles and other precision-guided weapons. The P9 was developed from the late 80s, and its appearance and energy are close to the American 'Little Mistletoe' anti-aircraft missile. The Y-60 was also developed in the late 80s, and its prototype was the Italian Pit Viper missile.

Huaxia also developed and perfected man-portable anti-aircraft missile systems using the same methods and principles. The development of the portable air-to-air missile system began in the early 70s, during the Arab-Israeli war, Huaxia obtained samples of the Soviet-made 'Arrow-2' portable air defense missile system, and quickly 'cloned'. The Huaxia version of the 'Arrow 2' and the HN5 were first fired in 1975, but the subsequent repair work took 10 years until April 1985, when the troops began to be equipped. An improved version of the N5, the HN, was tested in 1981 and installed in the Chinese Army in November 1986 and subsequently exported to North Korea and Pakistan, which were later approved for licensed production of the HN.

In the mid-80s, Chinese experts began to develop a new generation of portable anti-aircraft missile systems, and in the process they actively adopted the technology of the American "Stinger" and the Soviet "Needle" portable air defense missile systems, which China had obtained during the war in Afghanistan. The increase in the capabilities of the first new generation of man-portable anti-aircraft missile systems in China-Q, G is largely due to the introduction of the Zen-300 Ng ND air defense missile system and the 'Thor' self-propelled air defense missile system from Russia. In the 90s, Huaxia purchased four sets of HQ-9 air defense missile systems (about 'ammunition') and dozens of 'Thor' mobile air defense missile systems, mainly to make up for the shortcomings of the existing national air defense systems. Due to the successful mastery of the Qiang-300 Zun by the Chinese army and the great satisfaction of the Chinese leaders with its combat use, in 20 years, Huaxia ordered a more advanced Zen-300 Zen ND1 (HQ-15) air defense missile system from Russia.

Huaxia is also continuing to develop its own anti-aircraft missile systems, including the FT-2000 air defense missile system, which was unveiled at the 1998 Farnborough Air Show. Unlike most of the previous anti-aircraft missile systems that were produced or copied under license, Huaxia experts did not have an anti-radiation "fire" air defense missile system that could be directly referred to when developing the FT. The missiles of the FT-system use an active radar homing head with an operating frequency band of 218 GHz, and the anti-personnel warhead weighing 60 kg uses a non-contact fuse. The transport firing box of the firing device is equipped with four bombs, and the vertical firing is used. The maximum "shooting" range of FT is 60 kilometers, the "shooting" height is 1 meter, the detection distance is 12~km, and the detection height is ~meters. According to available information, a fully equipped FT-anti-aircraft missile battalion includes 1 command platoon and 3 companies. A separate FT. anti-aircraft missile battery includes 1 central guidance station and 12 launchers. The central guidance station is equipped with 1 passive primary sensor and 3 passive auxiliary sensors.

Therefore, the Chinese air defense system is basically an imitation of the Russian air defense missile from beginning to end, and the purchase of C300 air defense missiles from Russia is also after the 90s, so the Chinese air defense missile system is at least 20~30 years behind the United States and the Soviet Union.

And now Lin Yu said that he wanted to buy Sam 10 from the Soviet Union, how could the two be unhappy?

"How many did you buy from the USSR?" "Chairman" asked with a smile.

"I don't know, the other party said that they would sell me a few sets of equipment for me, and the specific sets depend on their abilities, but at least they will not be less than Yu Yu said with a smile.

He didn't tell the truth that the Soviet Union's Ivan and his wife said at the time that they had sold ten sets to Lin Yu, but Lin Yu didn't plan to say it now, and the two of them were worried about it again.

"Anything else? The prices are negotiable, and the country will definitely not let you suffer. "Chairman" said quickly.

Lin Yu pondered for a moment and said: "Don't hide it, I also bought nuclear submarines and aircraft carriers from the Soviet Union, but the specific time in my hands is uncertain, but I don't think I can sell these two things to the country, at least not in the past few years, these things have to be in my hands for two years before they can be sold, otherwise my cooperation with the Soviet Union will almost come to an end." ”

Both the 'chairman' and the prime minister were a little disappointed, seeing the two of them with some disappointed eyes, Lin Yu said with a smile: "But although I can't give it to the country, I can work with the country to study these technologies, but let's say it first, even if I study it, I have to collect money, and I ask both sides to share technology on these technologies, so no matter what the two sides research, they must give each other a copy, what do the 'chairman' and the prime minister think?" ”

"Okay, I agree. Both parties share research technology. "Chairman" agreed.

On the fourth day of the Lunar New Year, the old lady's family rushed over early in the morning, and their old lady's family was not very much, and they came early in the morning of the fourth day of the new year, and the Lin family is now the first family of the Republic, so they also want to be close to the Lin family.

The arrival of the mother's family, so that the "milk" and "milk" are even more happy, only during the Chinese New Year there is a home at home, usually most of the people are outside, and the home is very deserted.

It wasn't until the end of the dinner in the evening that everyone in the old lady's mother's family left the Wu family's base camp, and they were so close to the Wu family that many other families also felt jealous and helpless. Many of the political families in the compound actually have ties to the military. It's just that most of the families they contact are small and medium-sized families, and the big military families are either self-contained, or they have a pro-authority relationship with powerful political families like the old lady's mother's family.

February 14th, the eighth day of the Lunar New Year.

Early in the morning, Lin Yu went to find Liu Qianjing, and he didn't spend Valentine's Day with Liu Qianjing last year, so Lin Yu remembered the days this time.

Beijing, Wangfujing, two words, prosperous, especially on this day of special significance. Many young men and women hold hands, or happily snuggle together and walk down the street, arousing the envious eyes of some singles.

At this time, Lin Yu, who was holding the arm of a peerless beauty, was a little conspicuous, Lin Yu smiled bitterly and accepted the strange eyes of the people around him, Huaxia is very open, so people are not surprised to hug and hug on the street.

Valentine's Day, also known as St. Valentine's Day or St. Valentine's Day, is celebrated on February 14 every year, and is one of the traditional festivals in the West. It's a festival of love, romance, flowers, chocolates, greeting cards. Men and women exchange gifts on this day as a sign of love or friendship. It has become a popular festival for young people in Europe and the United States, and it has also become popular in other places. In China, one of the traditional festivals, the Qixi Festival, is also a day that girls attach importance to, so it is called Chinese Valentine's Day. Because of the ability to express common human feelings, countries and regions have discovered their own "Valentine's Day".

Lin Yu had no love for this festival in his previous life, but in this life, because there are too many girls and he has been in Europe and the United States for a long time, Lin Yu has remembered some festivals in Europe and the United States, not to like it, but to get used to it.