Even if Bai Yi did not "declare personal vendetta", Song Tianming would not be able to take "War and Peace" to the field hospital to pay his respects, because as the two Soviet Song-9A fire control radars arrived at the freight storage base of the Logistics Department on the outskirts of Pyongyang that afternoon, the main hardware of the train anti-aircraft artillery system conceived by Bai Yi was basically in place.

Song Tianming, the person in charge of air defense in the logistics department, naturally has to participate in the formation of the entire system at all times, you must know that if even he can't figure out this air defense system, how can he train his soldiers? And how to cover the logistics materials to support the commanders and fighters of the Volunteer Army who are fighting in the south of the 38th parallel?

In private, Song Tianming's various problems can be said to be endless, but he is never ambiguous on major issues of right and wrong, especially in the war, although he is not crazy about Zhang Fei, he has the courage of Zhao Yun.

Before being reorganized as a whole into the anti-aircraft artillery unit of the Air Force, Song Tianming was a real army unit, from the beginning of the Anti-Japanese War, the old Song Dynasty took the lead, and when the whole country was liberated, there were no less than 20 battle wounds on his body, all of which were on the front, and as for the back, except for a pair of eye-catching, he could no longer find a scar.

In a very old Song style sentence: "Those who are injured in the back are not good soldiers, and those who are scarred in the front are called pure masters!" Don't look like a white-faced scholar on my face, if there is a real fight, the black-faced man may not be as fierce as me! ”

The same is true of the anti-aircraft artillery units, which have repeatedly taken the lead and inflicted heavy losses on the enemy, and cooperated with the Chinese and Soviet aviation units to jointly build the "MiG corridor" in northern Korea.

However, it wasn't until half a month ago that the logistical transportation made Song Tianming doubt his bravery, the locust-like enemy planes, the rain-like bombs, and the trains that couldn't be exhausted, as well as the materials that kept burning and exploding......

All of them made Song Tianming feel a sense of prostration powerlessness in addition to resentment, and at that time he remembered what the chief of armaments often warned him: "In addition to relying on courage, fighting a war must also rely on brains!" ”

So Song Tianming, who was defeated and lost, held his breath after coming back, although he still loves to show off, have a big mouth, tell jokes, and even pick up girls, but no one knows that in the dead of night, he will hide in his marching bed, and secretly swear to which dead comrades-in-arms he will return to the place where he once fought, where to get up again, and stand up straight until he avenges the dead officers and soldiers of the logistics department......

Seeing that Song Tianming seemed to be a different person, Bai Yi was a little surprised at first, but gradually realized the meaning, gossip and love to show off are just a means for Lao Song to anesthetize himself, he didn't want to reveal the pain, but chose to bear it silently, at that moment Bai Yi felt that Lao Song's image was finally a little tall.

Of course, if he wants to do what the chief of armaments said about fighting a war by relying on his brain, Song Tianming is still some levels behind, at least in the train anti-aircraft artillery system, Lao Song only feels that it is more troublesome than repairing the MiG-15, and his eyes are dizzy and his head is swollen day by day.

No way, he has never seen such a complex thing since he joined the army, each train is equipped with six German-made Flak 36 37mm anti-aircraft guns, but also assume six one-meter rangefinders, as for the middle of the train, in addition to the Song-9A fire control radar provided by the Soviet Union, there is also a mechanical air defense command instrument used by a certain anti-aircraft artillery division.

Not to mention that all the units were connected in series by wired telephone lines, and the captured Motorola platoon-level portable infantry radio intercoms of the captured US Army were used to form a backup communication system, and these devices alone required two large-capacity power supply boxes provided by the Soviet Union and four simple telephone exchanges to be able to operate normally.

If we add in the 37mm anti-aircraft shells equipped with electrostatic proximity fuses, thousands of meters of cables, dense position measuring instruments, anglers, and other necessary equipment, the combat effectiveness of the entire air defense train does not matter, but in terms of the command and communication system, it has already greatly exceeded the command and combat capability of ordinary antiaircraft artillery divisions.

You must know that even if the anti-aircraft artillery division at this time was equipped with radar, it was a bulky Song-6 radar, which was a whole generation different from the Song-9A fire control radar just provided by the Soviet Union.

From the size alone, it can be seen that the Song-6 radar not only has a huge antenna, but also is extremely bulky, extremely inconvenient to operate, and is easily interfered with by atmospheric clutter.

The Song-9A radar is not as big as a container when it is full, the antenna is reduced to the size of a pot lid, and the resolution is surprisingly high; although the operating distance is only 20 kilometers, it is indeed more than enough to deal with the current generation of aircraft that only know how to bomb in the air.

It's just that the Song-9A radar is advanced, but it is not so easy to fully grasp it, not to mention the interpretation of the waveform of the electrical pulse, but how to rotate the radar antenna in wartime, there is a great deal of knowledge, one is not good, the radar operator is busy sweating, but the plane is out of the tracking because of the antenna rotation.

If this is all over, there will be a series of infusion of elements to solve, coordination with mechanical air defense commanders, timing of biting targets, and identification of danger levels when dealing with multiple targets...... It made Song Tianming one head and two big.

Bai Yi is not much better, he only knows that the Soviet Union's Song-9A fire control radar is an improved version of the SCR-584 fire control radar imitated by the United States during World War II, which is a relatively advanced fire control radar in this era, so that the 306 fire control radar after China is developed on this basis.

But he forgot that this kind of advanced is only relative, after all, this second-generation fire control radar developed during World War II, in addition to the most basic detection, real-time provision of target elements, as for the other functions are almost none, still need to be completed manually, after all, at this time computers have not yet been popularized, the human brain is still the strongest computing machine.

Therefore, Bai Yi could only explain to Song Tianming the operating procedures of the Song-9A fire control radar according to a few classic cases provided in the textbooks of his previous life, but fortunately, Song Tianming had a very high understanding, and although his head was very high, he still quickly mastered the technical essentials of the Song-9A fire control radar, and even drew inferences from one case and expanded it in some aspects.

In this way, after half a month of perfection and running-in, Song Tianming finally mastered the train anti-aircraft artillery air defense system with the help of Bai Yi, and at the same time, the logistics department also entered the final state of battle......

"Target, 020, azimuth, 562, altitude 476, electrostatic proximity fuse,......"

As Song Tianming issued a series of commands on the intercom, a group of antiaircraft artillery positions in the open space on the outskirts of Pyongyang reacted quickly, and soon the mechanical air defense commander finished binding Zhu Yuan, and the six Flak 36 37mm antiaircraft guns instantly adjusted their gun positions according to the azimuth data provided by the commander.

At the same time, the antenna on the Song-9A radar located in the center shook frequently, and the radar waves firmly locked the approaching target, and when it was within the range of the antiaircraft artillery, Song Tianming, who was staring at the radar beam, did not hesitate to pop out two words into the intercom: "Shoot ......"

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