Back to the Republic of China to be a editor

However, even top baritone singers and high-class people dare to arrest and even dare to sentence. The political atmosphere in the United States is really tense now.

……

Read on, a briefing from Hagelin's Crypto AG.

What a long awaited news.After staring at Hagelin and his cipher machine company for half a year, they finally made a move.

Hagelin is not the greatest cryptographic genius, but roughly one of the top cryptographers/decryptors of the 20th century.But Hagelin was certainly the most business-minded of the cryptographers.Crypto AG, which was established in Switzerland, now earns Hagelin more than 200 million U.S. dollars every year, and Hagelin firmly believes that although his people are in Switzerland, the company must embrace the thighs of the United States, because the US military and US intelligence agencies must be the biggest donors.

Now his thigh hug finally paid off.

The new cipher machine replacement contract signed by Crypto AG must be a top-secret contract, which is not disclosed to the public. It is estimated that the KGB did not know it in the first place.But the contract is not disclosed to the public. Crypto AG has received an order for tens of thousands of cipher machines, and suddenly became rich, and its financial situation is so good that it is flying. This is not a top-secret content.No need for a spy system, as long as people who have lived in Switzerland for a long time can check the business tax information, or even observe the consumption habits of the middle and high-level employees of Crypto AG, they can grasp it.

Crypto AG suddenly became rich—he must have taken a big order—it must have been an order from the U.S. military—the U.S. military ordered CX52 (probably should be called CX51 now) cipher machine from Crypto AG.

The first three are facts and inferences based on facts, and the fourth is Tang Hua's cheating...

……

The matter of Crypto AG is confirmed, so I have to go to the combat situation center.

"Chief of Staff Su, Bradley's hearing and the analysis of the US military's next stage of movement." Tang Hua handed over the sorted information to Su Yu, "There is another important piece of information from the 50 Center... Let me use it first computer."

Tang Hua drove away the staff officer in charge of sending and receiving the telegram, sat down by himself, and sent a message to Wang Yongjun of the 50 Center.

"Minister Wang: According to multiple sources of information, the U.S. military has ordered a new generation of cipher machines from Crypto AG to replace M-209, and the replacement of cipher machines may be completed as early as the end of 1951. We need to make preparations in advance. Don"

At the 50 Center, the person in charge of the computer is probably getting up and calling Wang Yongjun over at this moment.Tang Hua waited for a few minutes, and Wang Yongjun himself replied:

"Is it a new cipher machine with a maximum change of 10 billion times as mentioned last time? What can we do to prepare?"

Tang Hua: "A cipher machine cannot be developed temporarily. It must go through years of design and repeated trial and modification to reach maturity. The product with patent number US2765364 applied by Crypto AG is most likely to become the next generation of military cipher machines in the United States."

"For more specific information, the Soviet Union has been requested to investigate. The Soviet side should also be very interested in the next-generation cipher machine of the US military. We should use the US2765364 product as an example to compile the cracking program, so that it is hoped that the US military will soon use it. When the new generation of cipher machines is launched, the cracking program will be launched simultaneously. If there is a slight difference between the US military cipher machine and the US2765364 product, we can save a lot of work by writing the program in advance.”

“……该机的键轮一共有6组，每组键轮还各有1个备选轮毂，12个字母轮的销钉数量分别为25、26、29、31、34、37、38、41、42、43、46、47。也就是说，US2765364密码机的密钥是12位数字，而不是M-209的6个字母。”

"The operator needs to consider the mutual prime relationship when selecting the key wheel combination, so the combination method is limited..."

……

Wang Yongjun: "Received. I started to design a cracking program."

After a while, Wang Yongjun sent another message:

"In the past two months, the number of radio communications between the US military and the South Korean military has decreased significantly."

Tang Hua: "If the US military resumes its offensive, the radio traffic will still increase again."

The number of wireless telegrams of the United Nations Army has decreased. First, the United Nations Army has not initiated battles in the past two months; second, after the front has stabilized, the U.S. military will set up telephones and wired telegraphs between convenient military camps.Of course, if the U.S. military resumes its offensive, the U.S. military in the field movement state must still rely on walkie-talkies and radios to contact them.

If the armistice negotiations continue, even if they are carried out intermittently, the front lines of both sides will gradually stabilize, and each will build camps and dig trenches to stay in place. Then... the effectiveness of the 50 Center will indeed not be as high as it was during the first to fifth battles.

But even with reduced utility, 50 Centers is still a powerful cheater.

At least the warships of the US Navy must not be able to pull wired telegrams.The carrier-borne medium-wave radio station cannot escape the cracking of the listening station and the 50 center, which can solve a big problem.The other is the B-29 bomber, which uses short-wave voice for communication between formations when performing bombing missions, and uses radio to communicate with the base-the range of voice communication equipment is not that far.

……

"It's done." Tang Hua described the general characteristics of the C52 cipher machine to Wang Yongjun. Wang Yongjun should be thinking about cracking the program.

"I don't believe that the Americans still want to fight to the [-]th parallel." Su Yu looked at the map of North Korea on the wall, and tapped on the analysis of the US military's movements on the table.

Tang Hua: "It is very difficult for the U.S. military to reach the [-]th parallel. But out of the mentality of having an account to President Truman and Congress, he must devote himself to fighting one or two battles."

Su Yu: "I'm wondering what Ridgway and Bradley are thinking. How will he fight to be worthy of the president and Congress?"

Chapter 186, The Fifth Air Force is fully dispatched!

North Korea, Anju.

Andong and Sinuiju are two cities close to the border between China and North Korea. The railway leading to Pyongyang crosses the Yalu River Bridge from Andong, crosses Sinuiju, and travels about 120 kilometers to Anju. From here, it crosses the Qingchuan River Bridge. Turn to the south, and then drive more than 70 kilometers to Pyongyang.

During the first and second battles, the U.S. troops crossed the Qingchuan River from here and pushed towards the border between China and North Korea. They were then beaten up by the volunteers. The 24th and 25th divisions of Meibu fled from the Qingchuan River Bridge. The 2nd Division was a step slower and failed to move from Bicheon to Anju, and was completely wiped out.

Anju has not been the front line since the Second World War.But the Qingchuan River Bridge is still restless. From December 1950 to April 12, the Qingchuan River Bridge was basically bombed by U.S. military B-1951 at high altitude, and F-4 and aircraft carrier dive bombers at low altitude. Since May 29, the situation has improved a lot.The small planes buzzing and dropping bombs at low altitudes disappeared, but the B-80 formation was still dropping bombs one after another at high altitude. The Qingchuan River Bridge was under repair about seven or eight days a month.

The fighter planes of the Volunteer Army and the Soviet Air Force can fly from China to North Korea to fight, but the farthest forward distance is to Anzhou. The Volunteer Army’s planes fly to Anzhou is the limit. It’s not that the range is not enough, but that it has left the foundation Air combat is not well organized behind the radar and the podium.If the US B-29 bombed the Qingchuan River Bridge under the escort of F-86, it would basically succeed.Moreover, in order to prevent the Hongqi-1 air defense missile from accidentally locking onto the Volunteer Army's aircraft, the air force and ground air defense forces have to separate the airspace.

In August 1951, on the south side of Anzhou City, near the railway transfer station, a team of engineering troops from North Korea and the Volunteer Army camped here for construction.At the beginning, construction was carried out during the day and night. After the ground was dug up, the engineering troops were very careful. Most of the construction was carried out at night and stopped during the day. Before the shutdown, some construction sites were carefully covered and camouflaged.If you look carefully from the air, you can find that five strange facilities are being built in groups of five in a regular pentagon on the ground with a radius of several hundred meters. These facilities are connected by roads, so that they look like huge buildings. Pentagram.There are four groups of such five-pointed stars on this ground.There are also some other strange facilities or large pits, which are also distributed nearby in a seemingly regular but not completely regular way.

Not just Anju.Near the railway station in the northeast of Pyongyang, next to the Changfeng railway tunnel, and inland in Wonsan, far away from the port and more than ten kilometers away from the coastline, there are similar construction sites under intense construction.

In stark contrast to these large-scale fortifications, there are more strange vehicles and strange volunteer soldiers on the 1.5 logistics transportation lines from the Yalu River to Cheorwon & Yeoncheon, which supply the volunteers in the east and west directions.They seem to belong to the same unit as the Hongqi-1 air defense missile unit, and the commanders and fighters are quite familiar with each other, but they just don't participate in the air defense alert mission of the Hongqi-1 missile.

……

Beijing, the war center.

"I want to know where Li Qiang is now. Should I send a message to 50 Center or Zhisi?"

The secretary of the center replied to Tang Hua's words: "We should send a report to the Zhisi Division. Minister Li went to North Korea on September 9, and pre-arranged electronic warfare troops in Zhisi and surrounding troops."

Tang Hua raised his wrist to check the time, it was 10:5 am on October 9th.

Since Ridgway and Bradley have jointly promised Congress that they will launch an attack on this day, they will certainly not break their promise.And it shouldn't be one or two tricks like climbing a mountain with your ass pouting...at least three or four.The key is to prepare firepower before climbing the mountain. The firepower preparation is not enough for bombardment based on past experience, and air strikes must be resumed.To resume air strikes, the U.S. military should have prepared with two hands. As for which hand to attack first, it seems not very important.

……

Li Qiang is not in Zhisi now, nor is he near Changfeng (where Zhisi is located). Arriving at Zhisi on September 9, Li Qiang quickly arranged the pre-positioning of the electronic warfare troops on the front line and areas near the front line, and then turned around. From south to north, Pyongyang and Anju inspected the deployment of troops in turn. On October 15 On the 10st, Li Qiang had gone to the southern part of Anzhou for a long stay.

In Anzhou City, sharp air defense sirens echoed over the city. Cars still driving on the road immediately accelerated to find a hidden place and drove off the road. Two or 300 meters away from Li Qiang's truck, the 85mm anti-aircraft gun positions entered a combat state.

"The incoming enemy planes are four B-29s, flying from the east of Anzhou." Hearing the radio report, Li Qiang searched for a few minutes with the binoculars in his hand, and finally saw four in the east sky. A small black dot that is approaching.

"The four B-29s seem to be well-known. After the bombing in March, this one hasn't shown up for half a year." Li Qiang said to himself, then turned to the operator and said, "Turn on! receive!"

At an altitude of 5500 to 6000 meters, the B-29 of the U.S. Far East Air Force firmly braved the fire net of the 85mm anti-aircraft gun and flew towards the Qingchuan River Bridge.Spread chaff downward while flying-the U.S. military has long used this trick. The 85mm anti-aircraft guns of the Volunteer Army and the Korean People’s Army have radars.As long as the chaff is sprinkled just right, the radar may not be able to read the target parameters for the 85mm anti-aircraft gun, and the anti-aircraft artillery unit can only use optical sight to aim and fire.

Near the sky over the bridge, the B-29 dropped bombs one by one, and each aircraft dropped only one bomb. ... each bomb weighed 5.4 tons.

"The first wireless frequency band was detected!"

Li Qiang: "Turn on the directional antenna!"

"Second frequency band!" "Third frequency band!"

When the team on Li Qiang's truck was working intensively, the bomb dropped by the B-29 had already landed.