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"Mr. Peng, two minutes ago, the Second Battalion of the First Brigade of Surface-to-Air Missiles of our Air Force shot down a US high-altitude reconnaissance plane near Ordos."
Liu Yelou picked up the phone and reported to Mr. Peng.
"The missile force fired three projectiles in total. The first one nearly missed, and the second and third hit accurately. The enemy plane has already fallen. Our air force is searching for any pilots who have parachuted."
"The Air Force has done a good job! Next, carefully search for the parachute pilots, carefully collect the wreckage of the plane, and send it to the General Staff for research and analysis!"
……
By 1957, Lockheed had delivered 5 U-2s to the U.S. Air Force, but these 5 U-2s were all in Europe. They had conducted 6 strategic reconnaissances on the Soviet Union, mainly from Turkey to reconnaissance the Urals of the Soviet Union. area.
The Soviet Union and the United States have talked about this several times. The Soviet Union said that the Americans invaded the volley, but the Americans said no. Your radar shows that there is an air target invasion, which means that the radar is broken.
The territory of the Soviet Union is larger than that of China. Even if the number of S75 air defense missiles equipped by the Soviet Union is three times that of China, it is not easy to stop U-2.
所以，1957年5月1日的这场战斗，是S75/红旗-3导弹的第一个战果。
……
On the second day after the RB-57 was shot down, the Dongfeng-2 missile conducted a test launch with a combination of the first and second engines.
After launching from Wuliangsuhai, the first stage of Dongfeng-2 pushed the missile out of the atmosphere, the explosion bolt was activated, the first and second stages were separated, and the second stage engine was successfully ignited-but the second stage engine was not filled with fuel and was burning After 25 seconds, it shut down, and the combination of the rocket's second stage and warhead counterweight flew 1150 kilometers westward and fell near Jiuquan.
The test launch of the Dongfeng-2 missile is not only a high-throwing ballistic, but also a second-stage semi-propellant, and the counterweight is still assigned to the preset take-off weight of the missile, so that the landing point of the missile is just pressed near Jiuquan.Because after Jiuquan, the next observation site of the missile landing point is in Xinjiang, and the missile needs to fly at least 2000 kilometers to reach it.
"Director Qian, this test launch was a complete success. I have read the ballistic observation data and they are very stable and accurate," Tu Shoue called back to Beijing from the experimental base. "I think the full-state test launch of Dongfeng-2 can basically start." gone."
Qian Xuesen: "Then it is perfectly in line with the development node. The full-state test firing will be carried out in early July, but you have to bring back the measuring instruments in the warhead counterweight, as well as the observation data from the test site. We will do the last analysis in Beijing."
……
Another advantage of the national air defense information system - the battle report is sent quickly.
Hunter and the unconscious Patterson were found by our army's search force. The news was immediately transmitted to the air defense brigade headquarters by walkie-talkie, and then Liu Yelou knew it within 5 seconds. 2 minutes later, Mr. Peng and the chairman We all know that two hours later, the China Central People's Broadcasting Station broadcast the news.
At this time, Mills and others at the Okinawa base didn't know about it, and they didn't even go to the airport tower. The emergency broadcast that Tetson had activated was missed again.
Mills and Major General Smart did not listen to the Chinese radio, so they knew the news was a beat later. Mills was driving from the Okinawa station of the CIA to Kadena. He heard the news broadcast by the Okinawa radio station and knew that there was no need to greet him. The plane returned.
……
“之前我们认为，固定式发射的S25防空导弹射高20000到22000米，而机动发射的S75导弹性能应该不如S25，最大射高在18000米左右，现在我们的估计有误。S75导弹的最大射高应该能达到22000米。”
U.S. Air Force Staff, Deputy Chief of Staff Thomas White is briefed on the crash.
Thomas White participated in World War II. At that time, he commanded the reconnaissance aircraft unit of the 13th Air Force. He felt very bad about the loss of the RB-57D.
"Obviously, the use of any type of RB-57 aircraft to reconnaissance inland China should be cancelled," Thomas White said. "We cannot gamble with the Chinese on missile repositioning and reconnaissance route changes."
"Yes, General. We need U-2s in the Far East, too."
怀特：“今天中国人击落了21000米的RB-57D，你们说S75导弹的最大射高是22000米；那么是否在将来我们损失了一架U-2，你们会把情报重新订正为‘S75导弹最大射高其实是25000米’？”
Intelligence staff: "..."
White waved his hand, saying forget it, let's go.
The reconnaissance of China's nuclear facilities is a crucial task. It is estimated that the President and the Secretary of the Air Force will still press the frontline troops to continue reconnaissance.Changing U-2 is definitely necessary. After all, U-2 has been flying over the territory of the Soviet Union for three months and has not been shot down.This shows that even if the flying altitude of 24000~25000 meters is not absolutely safe, it should be almost the same as the maximum shooting height of the S75.
Chapter 153, June Incident
Both pilots of the RB-57D parachuted and survived.Hunter was largely intact, save for coughing up blood from his lungs and skin abrasions.Patterson was less fortunate, fainting during the skydive and breaking his ankle when he landed.
Shooting down American Reconnaissance happened to be Labor Day in '57. On May 5, the Chinese embassy in the United States went to the White House to convey China's protest to Eisenhower.Of course, I did not see Eisenhower. The US government is currently pursuing the policy of "essentially not using Gu Weijun as an ambassador".
After several rounds of war of words, the United States temporarily stopped its strategic reconnaissance against China.
"Since 1956, the maximum flight altitude of the new American reconnaissance aircraft that appeared in Turkey has exceeded that of the RB-57D. According to our radar observation data, its flight altitude during missions has reached 24000-25000 meters."
During the review of the S75/Red Flag-3 missiles in operation, some people from the Soviet Homeland Defense Air Force Staff also came to Beijing to participate.Moreover, the Soviet staff officer from Moscow brought the latest report from the Soviet Homeland Defense Air Force.
"The flight altitude of the new reconnaissance is close to the limit launch height of the S75 missile. To launch to this altitude, the missile can only use most of the rocket energy to overcome the gravity on a trajectory close to the vertical flight. Therefore, the effective combat of the S75 The radius becomes extremely limited."
"In addition, please pay attention to the Chinese comrades. The new reconnaissance plane does not have a strong echo of the radar signal. This is the key point."
……
"Soviet agents...have the Soviet comrades obtained pictures of the new American reconnaissance aircraft, such as those taken inside the Turkish air base?"
With the information provided by the Soviet Union, the Bureau of Electronics and Information Industry and the Second Machinery Bureau (Tactical Missile Bureau) of the Ministry of Mechanical Engineering jointly held a meeting.
Li Qiang asked Zhang Tingfa.Comrades from the Soviet Union reported that the radar’s effective detection range for the new reconnaissance aircraft has become shorter. In Li Qiang’s eyes, the translated meaning of this sentence is: U-2 may have adopted rudimentary radar stealth measures.
Zhang Tingfa: "No."
Li Qiang: "That's a pity, the shape of this kind of aircraft may be critical."
Zhang Tingfa thought of something, and started to take out the information bag: "No, the Soviet comrades are sure to be able to take pictures of the American reconnaissance plane."
Zhang Tingfa found a blurry photo, which was taken by a Soviet MiG-19 fighter jet.At that time, the MiG-19 tried its best and only flew to a place of 17600 meters. Moreover, the MiG-19 could not continue to fly at this height and was about to fall.
Since this is not the first time to try to intercept U-2, the Soviet Air Force is also ready. The MiG-19 brought a special upward camera in the cockpit and took several pictures of U-2.
"At that time, the altitude difference between the MiG-19 and U-2 was 6600 meters, and the actual distance between the two planes was 8500 meters when the photo was taken, but the picture was a bit blurry because the plane was shaking."
Li Qiang saw the plane in the photo, but it didn't seem too strange in shape, with straight wings and exaggerated length, even more exaggerated than RB-57D.
"At first glance, there is nothing special about the shape," Li Qiang said. "Why do I think it's because the Soviet comrade's radar did not do a good job in echo filtering when detecting at high elevation angles?"
……
"Compared with the RB-57D, this reconnaissance aircraft has its engine embedded in the fuselage, while the RB-57D has two engine nacelles on the wings. This change will slightly reduce the radar echo. a little."
Since it is necessary to focus on solving the problem of U-2 radar detection, the Electronic Information Industry Bureau, or mainly the radar development system, will handle this matter.
Tang Hua also came to the meeting this time and saw the blurry photo of U-2.
Historically, when the U-2 first entered service, it didn’t actually have any radar stealth measures. Later, Lockheed’s Skunk Works gradually opened up its mind and added various stealth technologies to the U-2.
For example, wallpapering and "swing" modifications were only started in April 1957, and it is impossible to apply them to reconnaissance planes flying over the Soviet Union.Wallpapers and swings are both failed designs. The ferrite composite coating developed in 4 is a truly effective means of stealth.
Li Qiang: "I also think that the Soviet radar is not ready to detect such a high aircraft, not that this aircraft has achieved radar stealth. However, we need to establish an electromagnetic reflection cross-section laboratory."
Tang Hua: "The Electronic Information Industry Bureau can first build a large microwave anechoic chamber in Nanjing, and then update the ground radar at the Northwest Missile Test Site, so that Wuliangsuhai can also be used as a test site for radar stealth aircraft."
As for the analysis of the shot down RB-57D reconnaissance plane, there are also some discoveries.
After the RB-57D was shot down, our army immediately mobilized two regiments to search for the wreckage on the grassland. All suspicious metal objects or industrial products on the ground within a radius of more than ten kilometers were put in bags.The garbage picking army spent 7 days cleaning the battlefield, and the spoils were transported back to Beijing and assembled.