roccoschili Page 637
Page 637
Lu'an, Anhui, Air Force Air Defense Radar Station.
"Find an air target!" The radar soldier on duty suddenly found a bright spot on the screen, and couldn't help being excited.
"The distance... is 35 kilometers?" the radar soldier said in bewilderment.
Beijing, National Air Defense Command.
"Now the unidentified reconnaissance plane has left the detection range of the Lu'an radar station, and its flight altitude has reached 24000-25000 meters. Judging from the trajectory when it left, it is still advancing inland."
The staff officer reported the situation to Major General Li Zhongquan, who was in charge of the Air Defense Command.
"Now there are two leaks in the air defense system. The first is that the first-line air defense radar along the coast has missed this U2, and neither the radar stations in Shanghai, Ningbo, Taizhou, nor Wenzhou have responded at all. The second is that the six air defense radars on the second line have missed the U2. The security radar station reported that they first detected U-35 at a distance of only 80 kilometers, while under normal circumstances our radar should detect large targets in the air at a distance of 100 to [-] kilometers."
"According to the previous intelligence and the current situation, we determined that the U-2 high-altitude reconnaissance plane was flying in."
Li Zhongquan: "The intelligence department and the defense industry department have reminded that the U-2 reconnaissance plane may have some functions against ground radar detection."
Staff officer: "If the detection range of U-2 is only 35 kilometers, then there will be many loopholes in our air defense early warning network."
Now the radar warning line drawn along the coast, the distance between each air defense radar is 100 to 110 kilometers, which was originally seamlessly connected.Now U-2 can get in.
There is another troublesome thing: the maximum upward shooting angle of the air defense radar is 45 degrees, which means that when an aircraft flying at an altitude of 25000 meters, the projection distance from the radar station is less than 25 kilometers, the air defense radar will be caught blind , I can't raise my neck so high.
Therefore, the range that the radar can effectively detect U-2 is only a circle with an outer diameter of 35 kilometers and an inner diameter of 25 kilometers.
Americans must have memorized the location of China's coastal early warning radar stations a few years ago, and U-2 can fly around the radar station when it invades.These early warning radar stations are large fixed buildings that cannot be moved under normal circumstances.The early warning radar station in Lu'an, built in August 1957, may not be marked on the radar map of the United States.
Li Zhongquan: "This is very difficult to handle. The Americans know the location of our fixed radar station, and the U-2 flies around the radar station. If the estimate is correct, there will be no radar stations in Hubei, Henan, and Shaanxi and Shanxi. reaction."
Li Zhongquan and the staff and staff of the Air Defense Command waited quietly.One hour, two hours, three hours, calculated according to the speed of U-2, it is time to arrive near Baotou by this time.
"The Engebe radar station found the target, the distance is 34, and the altitude of the enemy plane is 24200."
"The target entered the blind spot of the Engelbe radar station."
This is too exaggerated, U-2 directly over the top.
"The U.S. military reconnaissance plane must fly to the designated area to take pictures, so it ignores our early warning radar station," said the staff officer. "After crossing the Yellow River, U-2 will pass 2756 kilometers west of Baotou's 15 factory area. .”
Li Zhongquan: "How far is the nearest anti-aircraft missile from this line?"
"20 kilometers, I can't hit it."
Chapter 198, Luna II B
At the end of November 1958, the surrounding area of Baotou was photographed by U-11.
This high-altitude reconnaissance aircraft nicknamed Mrs. Jiaolong supposedly made the Air Force lose face a lot, but after the U-2 incident, the Air Force and the Bureau of Aviation Industry were more excited than frustrated.
"This plane can fly 4000 meters. It's really interesting. Comrades in the Air Force, find a way to get one. We will also produce this kind of high-altitude reconnaissance plane in the future. By then, you can fly to Japan and South Korea at will. .”
This is what people from the aviation industry said.
"In the Soviet Union, the U-2 has been found several times, but there is no way to shoot it down. The Soviet comrades said that they are working on a high-altitude interceptor, and there are anti-aircraft missiles higher than the S75. If we shoot down a U-2 first [-], that will save face."
The air force is equally excited.
Lieutenant General Wang Bingzhang: "Calm down, everyone, let's first think about what is possible to shoot down U-2."
Li Zhongquan: "There are two main difficulties now. The first is that the radar finds it at a relatively short distance. According to the comrades at the air port, a basic radar stealth design is adopted. The second is that its height is too high. But The two difficulties are not completely insurmountable, the key depends on what tactics we adopt."
Wang Bingzhang: "Tell me what the empty ginseng has come up with now."
……
Inner Mongolia, Baiyun Obo.
The two Hongqi-3 missile battalions were transported here by the railway from Baotou to Baiyun Obo mining area. Various vehicles were unloaded from the wagons and disappeared in the vast snowfield.The anti-aircraft missile battalion carried simple prefabricated panels with them to build barracks, but at this time Inner Mongolia is the season when dripping water turns into ice, and the thin panels can only block the wind. The internal temperature of the simple barracks is probably below zero, so it must be comfortable to sleep not going anywhere.
"The third battalion will be deployed in the mining area, and the fourth battalion will work harder. In Abduchaolusumu, you have to maneuver along the road for more than 40 kilometers. After you get there, you must first ensure that people can live there, and then establish communication as soon as possible."
Cai Yong, commander of the Second Air Force Surface-to-Air Missile Brigade, personally led the two air defense missile battalions to transfer positions.
The U-2 flew over Baotou and was out of radar detection for a period of time. An hour later, the U-2 was detected by the Huhe Shala radar station west of Engebe.At this time, U-2 had already turned around and returned, and although it was detected by the Huheshala radar station for half a minute, it did not break into the range of the Hongqi-3 missile.
The detection of U-2 by the Huheshala radar station reveals two major secrets:
First, based on the time difference between the time when U-2 left the Engebe radar station and the time when it entered the Huhesala radar station, the Air Force Air Defense Force calculated where U-2 turned: it should be from Baiyun Obo to Abdu Chaolu Sumu, an area with a width of 50 to 60 kilometers, will definitely not go further west, because to the west is the Wuliangsuhai missile test base, and the ground radar is densely packed.
Second, when the Huheshala radar station scanned U-2 for the first time, its flying altitude was not 24000-25000 meters, but about 23000 meters, and it was obviously trying to climb.When out of the scanning range of the radar station, the altitude is 23500 meters.
"Flying to an altitude above 2 is close to the limit for the U-180 aircraft. It has to do its best to maintain this altitude. As long as it turns around, it will drop drastically. According to the data from the Huhe Shala radar station, it When the [-]-degree turn is completed, the altitude will drop to [-], [-], and this is a good opportunity for us to hit it."
At the meeting of the chief officers of the third battalion and the fourth battalion company, what Cai Yong said was the way to deal with U-2 that was discussed at the meeting of the Air Counselor and the Aviation Industry Bureau.
"The U.S. is also aware of the problem of U-2 turning and losing height. It is very clear that the turning stage is the weakest flight section of U-2 aircraft, so the area of each turn may be different, and we have to guess its next turn. area."
"These two positions we are deploying now are the two possible turning areas estimated by the Air Force Staff for the next reconnaissance of U-2. Second shift position."
……
Baikonur Cosmodrome.
On December 12, the third Lunar launch vehicle was assembled in the workshop.
After the 1st, 2nd, and 3rd stage rockets are spliced together, the Luna-[-]A satellite is fixed on the tip of the third stage.About the size of the Luna-[-] A/B/C satellites, it's basically five balls welded together with steel rods.The top ball is the actual satellite, and the bottom four balls are the fuel and oxidizer tanks.Below the fuel tank are nozzles for several small rocket motors.
The first three stages of the rocket can accelerate the Luna-3A satellite to close to the second cosmic speed, and then further accelerate and aim at the target, relying on the satellite body to receive ground control signals, and then manipulate the engines to accelerate or turn.
Tu Shancheng and three engineers from Xi'an Changfeng Instrument Factory are in the Baikonur workshop, responsible for watching the staff at the launch center load the satellites onto the rocket.After the rocket is installed as a whole, another comprehensive inspection is required to ensure that the main mechanism of the rocket is working properly before it can be pulled out of the workshop.
"It was a bumpy journey from Tianjin to Baikonur by air, but the satellite control circuit did not fail at all," said Tu Shancheng.
The second inspection circuit passed, indicating that the satellite side has passed the inspection.
"The satellite has passed the test, but the rocket must not fail." Changfeng engineer who worked with Tu Shancheng said.
"The rocket is beyond the scope of our work. However, the last rocket successfully completed its mission, which shows that Comrade Korolev has overcome the failure of the first rocket.
Hey!Ivan!Did the first level inspection pass? "
Ivan Boris, a Soviet engineer at the launch center, replied: "There is a little problem, but it will pass the inspection soon!"
After finishing speaking, Ivan took out a hammer from his waist pocket and slammed it hard on the root of the shell of the rocket's first-stage large booster. "铛~~~~~~", a huge voice echoed in the assembly workshop, and the rest of the Soviet comrades were not surprised, and few turned their heads.
Ivan tapped the hammer, took out the instrument and measured it, and this time it showed that the seam was correct.
Tu Shancheng and the three Changfeng engineers stood there dumbfounded.
"I said, the second set we made, for Lunar [-]B, is it ready?" Tu Shancheng asked.
"After it was shipped, it was combined with the satellite itself, and it was in first-class condition. Both Luna-[-]B and Luna-[-]C are in the No. [-] warehouse, and they can be launched after being filled with fuel."