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"Mr. Colonel, your conjecture is correct. To accurately hit a bomb shelter from the air, or a house hidden among other houses, infrared or radar guidance is not feasible, but TV remote-controlled guided bombs can do it."

GB-4 designer Aldford ignored the assistant secretary of the Air Force and spoke to a US Air Force colonel who had arrived earlier.

During World War II, the Wright Field Equipment Laboratory of the U.S. Army Air Corps began to develop the MX-108 project, which is the GB-4 guided glide bomb. It was announced in July 1944 that the development was completed.However, the results of the shooting range test were not very good. While the shooting range test was being improved, it was changed until Japan surrendered. At the end of World War II, the entire GB-7 project was suspended.

A TV camera is installed on the head of the GB-4, and a TV signal return system is installed on the projectile body. The bomber receives the TV signal and displays the picture on the TV. The pilot can estimate the GB-4 from the reticle on the screen. The offset from the target, press the handle to send the corresponding correction command, and send it to GB-4, so that the bomb can still be guided when it glides for more than 20 kilometers and is far away from the bomber.

"The information about the Chinese glider-guided bombs, all we have collected is written in the report," the colonel said, "First, the glide distance, the Chinese bomber dropped the bomb at an altitude of 6000 meters, and the bomb glides for at least 45 kilometers, so I proposed to call Mr. Wagt to let him use the gliding wing shape to improve the bomb. Second, the hit accuracy, the Chinese gliding bomb directly hit the opening of the 4X4 meter air-raid shelter, and in another place, it directly hit a South Korean one Division headquarters, a small two-story building. Third, both raids took place at night. Now, I need a lab to replicate the weapon."

Oldford: "Mr. Colonel, if the guided bomb is required to have a gliding distance of at least 45 kilometers, it is not just about making the bomb the same as a glider. In fact, the more fatal problem is that the communication distance of radio transmission and television signals cannot be too far. The maximum gliding distance set by GB-4 is 27 kilometers, but when it exceeds 20 kilometers, the screen image on the bomber is very blurred. If there is bad weather, the signal attenuation will be even greater.”

Colonel: "I just need you to come up with your solution."

OLDFORD: "Increasing the transmission power of the radio system on the bombs, better filtering and signal boosting circuits on the TV receivers on the bombers, that's about it. It will take time and money."

Colonel: "The second requirement is that the hit accuracy must meet the standard."

Oldford: "I think you must have read the data of GB-4. Its average hit deviation is 16 meters when the glide distance is 61 kilometers."

Colonel: "Of course I have, it's not enough."

"I heard that Bell Labs has improved their guided bombs, and the average hit deviation has increased from 84 meters to 30 meters. If you can share the results of Bell Labs with us, then GB-4 can also achieve 30 meters accuracy, maybe even more It’s better, 20 meters. But I’m afraid it will be difficult to improve it. To be honest, Mr. Colonel, in the technical means I can understand, it is impossible for a TV-guided glide bomb to accurately hit a 4x4 meter air-raid shelter.”

……

"Our Air Force bombed the headquarters of the 9th Division of South Korea and the 5th Regiment of the 10st U.S. Cavalry Division at the same time with guided bombs. That is because the two headquarters are more than 808 kilometers away from each other, and they are basically two independent areas. It’s just a bomb.” Tang Hua said, “In the first-generation laser-guided bomb system, all handheld laser irradiators emit the same laser wavelength of [-] nanometers. They will all fly to where it shines."

"Now I want to load information into the laser emitted by the hand-held laser irradiator. It is a string of numbers and an identification code that is continuously looped. The identification code is entered or changed by the irradiator. Similarly, the seeker of the laser-guided bomb must have The function of receiving and distinguishing the identification code. Of course, the bomber that drops the laser-guided bomb also needs to be modified accordingly. There must be a data line connected to the undropped bomb on the bomb rack. The laser irradiators on the ground correspond one by one. In this way, as long as the number of laser irradiators in the special operations team is sufficient, the bomber unit can drop more than a dozen glide bombs at a time under the distinction of the identification code, and attack the ground within a radius of two kilometers at the same time. more than a dozen goals."

Zhou Guangzhao understood Tang Hua's meaning and nodded, "Leave the job of loading the identification code to the laser irradiator to me. Teacher Zhao and I are still waiting for the glass fiber from the Changchun Institute of Optics and Mechanics... This job just fills my gap." Time is blank."

Chang Qiankun: "In this way, the air force bombers can not only bomb accurately, but also be smarter when choosing targets. Of course, the most important thing is that they can hit multiple targets at a time, and the support to the ground will be more powerful."

Tang Hua: "But it also puts forward higher requirements for the coordination of the Air Force and the Army. In the Soviet training program, do you feel that the doctrine of joint air-ground operations is not enough?"

Chang Qiankun: "...Yes. The current combat mode is higher than the requirements stipulated in the regulations."

Tang Hua: "The last requirement. The volunteers who indicate the target for the laser-guided bomb are all special forces, armed to the teeth, and equipped with guns, ammunition and various equipment. So, student Liang Guiming... the new one with the information loading function The volume and weight of the laser irradiator cannot exceed the current first-generation laser irradiator. Special forces soldiers cannot be allowed to increase the weight of their equipment.”

……

U.S. Air Force Wright Field Equipment Laboratory.

"That's impossible, that's impossible, that's enough!" The Assistant Secretary of the Air Force interjected loudly, "Director Oldford, don't you believe that a guided bomb can accurately hit a 4X4 meter air-raid shelter? Then let me tell you the truth, than The text of that report is more true to the truth. Don't say it's a story, the military has got witnesses, and there are more than one."

"On the night of October 10, the Chinese dropped two guided glide bombs and attacked an air-raid shelter of the 13st Division of the U.S. Army Cavalry, which is the 4x4-meter air-raid shelter at the entrance." The air is smoother, "The first of the two Chinese gliding bombs arrived first, bang! It hit the air-raid shelter accurately and blew up the iron gate at the entrance of the cave. The second bomb came right after the first bomb The door opening opened by the bomb flew directly into the tunnel, bang! I repeat, the second bomb of the Chinese drilled in through the hole opened by the first bomb! Now, do you still say it is impossible? "

The members of the GB-4 project team, Richard Wagt, and even the colonel of the Air Force were all shocked by the words of the assistant minister, and the laboratory fell into a cold scene.

"...General Arthur Trudeau, the commander of the First Division of the Army Cavalry, was in the cave. In addition, there were a colonel, 3 lieutenant colonels and 9 majors in the air-raid shelter. Their bodies were returned by the Chinese army, and the coffins Probably on the way back to the country. No matter the living or the dead, they can provide evidence to tell you that this is not a story." The assistant minister finally said.

Most of the domestic newspapers in the United States only reported that "Arthur Trudeau will die in battle."You have to find a lot of newspapers and magazines before you can see "Arthur Trudeau was killed in action and the cause of death was an unknown air strike" in some articles not on the front page of the newspaper.The scientists and researchers present could only get this information, and the Air Force colonel had never paid attention to the cause of death of a major general before.

After the Assistant Minister finished his last sentence, the laboratory continued to be silent.

"Mr. Colonel, this requires a head-to-toe technical update of the established structure of GB-4."

Oldford finally broke the silence of the scene.

"First of all, the radio signal receiving/sending system on the bomber and the bomber must be fully updated. This is certain. Secondly, the control circuit and control surface on the bomber and the aircraft are redesigned, combined with the technology of Bell Labs to allow gliding The deflection control of the bomb is more precise. Third, the TV camera needs to be updated, and the picture quality must be greatly improved. Fourth, the optical lens on the bomb should also be updated, also to improve the picture quality. It is expected to be completed within 12 to 18 months Work."

Colonel: "Didn't you notice my third point?"

"Sorry, I forgot. What's the third point?"

"Both airstrikes took place at night."

Oldford: ...

Gritting his teeth, he tugged at his hair.

Colonel: "The lowest annual salary of all of you here is 3300 US dollars, which is higher than the salary of our general. When the war just ended a few years ago, the general said: 'In this war, the honor of those who wear military uniforms is three points Two-thirds are taken by the tuxedos'. Since the outcome of the war depends on you two-thirds, then please, tuxedos, be worthy of the general's evaluation and your own salary. I mean, you must win this war. "

"Optical lens, infrared and visible light dual imaging lens, or visible light, infrared dual lens group. Well, I prefer dual lens group." Aldford gritted his teeth, "Both lenses must be from wide angle to high magnification. Change, the infrared module is made of indium antimonide base plate, and the radio signal is sent after photoelectric conversion. Of course, an additional infrared irradiator is required on the glide bomb. This is my solution. If you want to start immediately, sign up with us contract."

Chapter 4, Ivy Mike

1952 11 Month 1 Day.

Enewetak Atoll, Irugirab Island.

"Operation Ivy" entered the final preparation stage, and all personnel on Irujirab Island boarded the ship and boarded the plane to leave.The people who were evacuated by boat boarded the boat the night before. After the boat started, it drove in the same direction for a whole night, and it didn't stop when it was dawn at five o'clock in the morning.

In the area with the most solid foundation on Irujirab Island, a shed-like building made of steel beams and aluminum panels houses a large thermos.The thermos named "Ivy Mike" is 6 meters high, 1.8 meters in diameter and weighs 65 tons.Obviously, no aircraft can pull it. The weight of 65 tons is not included in the accessories of the thermos bottle. It is connected by a power supply line outside, and there are complex refrigeration pipes for the working fluid to enter and exit, so as to maintain the low temperature inside the thermos bottle and keep the deuterium in a liquid state.Then, the large thermos and refrigeration equipment were temporarily stored in the steel-frame aluminum alloy shed. The roof of this 27-meter-long and 14-meter-wide house can be opened. It was only at the last moment of the nuclear test that Ivy Mike was lifted from the roof. Go to the top of the tower and detonate

In the early morning of Eniwetak Atoll, the American mainland is already approaching noon in the morning.

"This is the decisive force that destroys everything." In the White House office, Secretary of Defense Robert Lovett listened to the constant incoming and outgoing Air Force staff reports on the preparations for the Eniwetak Atoll test, showing a satisfied smile, "There is only one in this world. We hold the power of the sun, and all weapons on earth, including the atomic bomb, cannot compare with the hydrogen bomb. In the face of absolute power, any skill is in vain."

Air Force Secretary Thomas Finlett agreed.

Although Truman was a little absent-minded, he was still very interested in the "Ivy Mike" model on the desk, looking left and right.

"George's power is equivalent to 30 tons of TNT, and Mike's power can reach 1000 million tons?" Truman asked, "But I think George is more than 60 tons, and Mike is more than 60 tons."

"George, which was tested last year, is a product of an experiment, and this year's Mike is more mature." Thomas Finlet said, "If the Mike test is successful, it means that we have fully grasped the mysteries of thermonuclear weapons and know how to accurately design them." Every detail of it."

Speaking of George and talking about the experiment, Truman suddenly remembered a very sad event last year.

"Have you collected and analyzed the latest newspapers and radio broadcasts by the Chinese? Did Mao publish the broadcast?" Truman asked, "General Smith, is someone following and analyzing them?"

……

Irujirab Island. November 11 at 1:7 am.

When Ivy Mike's flash occurred, the pilot was temporarily blinded even with special goggles.The flashes were visible across the South Pacific.However, the U.S. Navy has cleared the surrounding 400 kilometers of sea area and 1000 kilometers of airspace, and only the U.S. military's observation planes and sampling planes are flying.

After the flash, a huge fireball is generated from the ground of Irujirab Island.Although Ivy Mike was erected on a tower with a height of 60 meters, compared with its equivalent, this height is really pitiful.When the sky darkened again, the diameter of the fireball had exceeded 3 kilometers, and a few seconds later, it reached 5.2 kilometers.At this time, the fireball had not yet risen to a sufficient height, so the 5.2-kilometer fireball was directly licking the ground and the sea.

The fireball expanded and rose, and after 90 seconds, it looked like a mushroom cloud. At this time, the center of the fireball had risen to a height of 17 kilometers, and its diameter had spread to 15 kilometers.After another 60 seconds, the fireball rose to a height of 41 kilometers and expanded to a diameter of 33 kilometers.

The mushroom cloud still did not stop rising, and eventually its height exceeded 50 kilometers, and no plane could fly to this height.The top of this big mushroom is no longer round, but like an umbrella, with a maximum diameter of 160 kilometers and a mushroom handle with a diameter of 20 kilometers.

The center of Irujirab Island sank in the explosion, forming a crater with a diameter of 1.9 kilometers and a maximum water depth of 50 meters.The coral fragments on this island were rolled up by the mushroom cloud and fell on the sea surface and the experimental ship 60 kilometers away. There is no doubt that these coral fragments are strongly radioactive.

An hour after the bomb went off, U.S. Air Force pilots took off from Enewetak to fly into the atomic cloud and take samples.Although the mushroom cloud has basically dissipated, the plane is still flying extremely hard, the sky is full of lightning and turbulence, and the Geiger counter beeps continuously.

In this nuclear test, the U.S. Air Force suffered real casualties—the aviation instruments of an F-84 were damaged by an electromagnetic storm, and the pilot crashed on the way back to make an emergency landing, missing both the man and the plane.