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Mr. Peng, this is just a translucent battlefield. In the future, I will make it really one-way transparent for you.

"Boss Peng, Commander Ye, let me add the support and auxiliary equipment of this system." Minister Li said, "The connection between the six radio listening stations on the China-North Korea border and the 6 Center, and the connection between the 50 Center and Beijing are all Wired telegraph is used, which is the highest-level national defense confidential line. At the same time, we have also built a national defense confidential line from the 50th center to Anton. After confirming to enter North Korea to participate in the war, the comrades of the Ministry of Communications have begun to survey the route and prepare to let the confidential line accompany the volunteers. The headquarters extends into North Korea. Wherever the Volunteer Army Command is transferred, the dedicated line will be repaired. Vice Minister Li Qiang of the Ministry of Communications is in charge of this. As a backup communication method, the information of the 50 Center can also be sent to the Volunteer Army Command by the medium and short wave radio , but unless there are special circumstances, try not to use wireless telegrams to transmit information from the 50 Center.”

"I have a question," Ye Ting asked, "How will the US military respond to this situation?"

"If the U.S. military realizes that their telegram codes are no longer safe, they will first change the key." Tang Hua said, "I have already mentioned the issue of the key. If they change a new key, we only need 4 to 8 hours. It can be cracked again. If the U.S. military has changed the key several times, but still finds that its telegrams are constantly being cracked, at this time, the U.S. military will consider distributing new cipher machines to the entire army.”

"If the U.S. military replaces the cipher machine, can we crack it quickly?" Ye TIGN asked again.

"Currently, the cipher machines produced by major cipher companies and under development have a maximum cycle of about 27 billion times... All cipher machines will be broken in front of supercomputers, it's just a matter of time."

Tang Hua thought about it, and added:

"The Bureau of Electronics and Information Industry is developing the TC51 supercomputer, which is expected to be completed in February 1951. Its computing power will be increased from 2 operations per second to a million operations per second, and some optimizations will be made in the direction of password solving."

"This brings up a new problem." Hearing this, the Prime Minister thought of something, "We must try our best to delay the time for the US military to find out that their cipher machines have been compromised. The longer this period is delayed, the more convenient our work will be." Boss Peng, Commander Ye, what do you think?"

"Indeed." Boss Peng said, "This is something that Commander Ye and I should pay attention to."

"First of all, only the two of us in the Volunteer Army should know about password cracking and 50 centers-in short, the smaller the spread, the better; secondly, even if we intercept and crack most of their tactical telegrams, in combat operations, don't It is necessary to give the U.S. military the illusion of coincidence and encounter as much as possible. The confidential cable transmission of information is also crucial." Ye Ting also replied.

President Peng nodded in agreement. "They find that the password has been cracked once, and they will change the key; if they find it three times in a row, they will realize that the key is not safe, and they will probably replace the cipher machine. I hope that within half a year, there will be no more than three times. But sometimes the battlefield situation is severe. , even if we know that this will tell the Americans that we have broken the code, I am afraid we have to continue..."

The meeting is almost over.It is mainly Tang Hua and Li Kenong who gave Peng Ye the strength of the cracking ability of the Science Popularization 50 Center, and let the two know how to correctly use this information advantage on the battlefield.As soon as the meeting was over, Peng and Ye left immediately. They were going to take the train to Shenyang tonight, and then transfer to nearby Dandong, preparing to take over the Thirteenth Corps and plan the war in North Korea.

"Prime Minister, Chief of Staff Nie, then I'll go back first!" When the other four participants walked out of the conference room, Tang Hua walked in front, waved goodbye to Prime Minister Nie Shuai, and then got into the jeep.

"Prime Minister," Nie Shuai whispered next to the Prime Minister:

"If I had known about this a few days earlier, I would have stood up at the meeting on October 10."

The Prime Minister smiled and patted Nie Shuai on the shoulder.

"Penghu made a bomb, and the Resist U.S. Aid Korea made a bigger bomb. This time it is more than ten times more powerful than the one in Penghu."

……

Beijing-Shenyang line.

A military train from Nanjing took Jinpu Road to Tianjin without stopping in Tianjin, and went straight to Shenyang all the way.

The military column was galloping in the dark night, and there were two stuffy tank wagons, not only the doors and windows were tightly closed, but there were also two soldiers on duty at the four corners of the wagons carrying guns.

In one of the wagons, a big man was lying and rolling on neatly stacked wooden boxes, grinning "hehe" as he rolled, as if the box under him was not a hardwood box but Simmons.

He is Wang Zheng, Minister of Communications.

During the few days since he set off from Nanjing, Wang Zheng slept on the packing boxes of 1 D-[-] small walkie-talkies.

On June 6, Wang Zheng left the CPPCC venue and immediately rushed to Nanjing, where he took over the establishment of the D-16 walkie-talkie production line, the procurement of raw materials and all the supervision of mass production.The spare parts factory was not working hard and took the guards to urge it. If there was a technical problem, he sent a telegram to Tang Hua overnight, and the production line would have to work overtime to mobilize himself.It took only two months for Wang Zheng to set up the production line of the D-1 walkie-talkie, with a normal monthly output of 1 units.Soon began to work overtime urgently, and the monthly output instantly increased to 1000 units.During this period, in order to double the output of each component factory simultaneously, Wang Zheng created a record of going to 2000 factories in 3 cities in one day and urging manufacturers to produce.Finally, on October 7, the first batch of 10 D-5s were delivered, and then he personally escorted them to the Northeast and distributed them to the Northeast Frontier Defense Forces.

"There are 1 D-25s, and there are 80 people in the border guards. On average, there are more than 1 people with one walkie-talkie..." Lying on top of the [-] D-[-]s, Wang Zheng began to calculate the per capita and establishment again with relish, "On the front line The combat infantry unit should be placed in the lower row with walkie-talkies, the auxiliary combat unit should be connected with walkie-talkies, and the number of walkie-talkies in the logistics transportation support force can be slightly less..."

Chapter 68, Yalu River, here we come

"Although the armed forces of the United States have been authorized by the United Nations to cross the [-]th parallel, they must avoid any actions that may lead to a large-scale war between the United States and the Soviet Union or China. Once in contact with the Soviet and Chinese troops, they will immediately disengage. In places close to the Chinese border , can only use South Korean troops. The coalition forces are not allowed to enter any territory of China and the Soviet Union."

After reading the telegram from the Senate Armed Services Committee, MacArthur threw it into the wastebasket. "Chinese army? If you meet a Chinese army, crush them."

Seeing that the Senate couldn't hold down MacArthur, Truman couldn't sit still. On October 10, Truman flew from the United States to Wake Island and met MacArthur in person.

Speaking of which, this was the first time Truman met MacArthur in real life, but the two almost met in 1932.At that time, MacArthur commanded the U.S. Army to drive tanks to kill veterans on the street. Truman, who was still a junior judge, ran around the street with his head in his arms. He was only half a street away from meeting the four-star general who commanded the troops to suppress the veterans. U.S. Army Chief of Staff MacArthur.

The meeting between the two still had no results. Not only did Truman fail to persuade MacArthur, he was persuaded by MacArthur instead.

"If China really sends troops, it should land before we land in Incheon. Now, the time for China to send troops has passed. Their message through India is completely a false threat."

"If China does not send troops, then the Soviet Union will not send troops to North Korea."

Truman stopped blocking MacArthur's actions until two months later.

Now MacArthur has already changed his goal from "defending South Korea" to "conquering North Korea".

In Wonsan, a port on the east coast of North Korea, MacArthur, who suffered from obsessive-compulsive disorder, made another landing.Once in Incheon on the west coast and once in Wonsan on the east coast, the balance is balanced.However, when the U.S. warships broke through thousands of minefields (and sent away two Japanese cannon fodder minesweepers), when the Marine Corps finally landed, they were greeted by the U.S. Army, which had captured Wonsan by land. South Korean Army.

While MacArthur and Truman were chatting on Wake Island, the U.S. Army and the South Korean Army had already begun the campaign to attack Pyongyang.Kim Il Sung withdrew early, and the Korean People's Army garrison guarding Pyongyang resisted desperately until the U.S. troops were dragged into street fighting. On the night of October 10, US tanks had rushed into the urban area of ​​Pyongyang, serving as fixed artillery batteries on the streets.By the morning of October 18, the fall of Pyongyang was a foregone conclusion.

Beijing, Beihai Park.

In the evening, the setting sun illuminates the water of the lake resplendently.Tang Hua, who was walking by the lake, looked at his watch, stopped, faced east by north, and stood for a long time.

"Tang Hua?" Zhou Xuan asked gently beside him.

"Zhou Xuan," Tang Hua held Zhou Xuan's hand, "right now, on the evening of October 1950, 10, the Chinese army is crossing the Yalu River, going to North Korea to fight the American devils."

"..." Zhou Xuan knew that Tang Hua knew about these things.

"America is the most powerful country in the world. Their army defeated Germany and Japan, and their warships are all over the world's oceans... His industrial strength is stronger than China, stronger than the Soviet Union, and greater than China and the Soviet Union and Eastern Europe combined Still strong. Now, the United States is invading North Korea, then threatening Northeast China, and now it is actually invading Taiwan. Therefore, we must cross the Yalu River and fight the United States. No matter how powerful the enemy is, no matter how much sacrifice is made, this The war is related to China's security, and we must fight it."

By the Yalu River.

An unremarkable-looking jeep enters North Korea from a bridge.Volunteer Army Commander Peng Dehuai took staff officer Yang Fengan, two guards Guo Hongguang and Huang Youhuan, and driver Liu Xiang across the Yalu River.The 2 people in this group are the first volunteers to set foot on North Korean soil.Mr. Peng wanted to cross the river ahead of time, get in touch with the rest of the People's Army in northern North Korea, and ask them to be guides to determine where the first batch of volunteers to enter North Korea would set up camp.

Mr. Peng traveled from Beijing to Shenyang and Anton on the 8th. After taking over the command of the 13th Corps, the Northeast Frontier Defense Force, he secretly flew back to Beijing on the 17th. The plane flew back to the northeast and crossed the river in the afternoon.Due to the severe situation, when flying to Anton, the Soviet Air Force even sent four MiG-19 fighter jets to escort Mr. Peng's plane.

"The troops that are about to cross the river will travel at night and stay at dawn after crossing the river. They should act in a concealed manner, pay attention to air defense, and not let the enemy know our real situation." Before crossing the river, Mr. Peng instructed the volunteer troops who had assembled by the Yalu River.

While Mr. Peng's jeep was crossing the bridge, the vanguard of the Volunteer Army—the soldiers of the 40th Regiment of the 120th Division of the 360th Army also set off and lined up on the Yalu River Highway Bridge.

"The first battalion has passed the bridge, and the first battalion has passed the bridge," the battalion commander of the first battalion of the 360 ​​regiment told the follow-up columns of the 2nd and 3rd battalions through the walkie-talkie, "After our regiment crossed the bridge, go straight along the road. Follow the column ahead."

The team of more than 1000 people is strict and quiet. Except for a few voices of passwords and calls, there is no other noise in the team of more than 1000 meters long.The first battalion strode forward, and the battalion commander opened the buttons of the padded jacket to dissipate the heat from the brisk march.But despite this, he was still sweating very quickly.

Looking at the back, there is a battalion of firepower soldiers. The heavy machine gun squad is also striding forward on the road with their cotton clothes open and sweat on their heads.Although the march of the bazooka soldiers is not easy, in general, whether it is a shooter with 1 bazooka and 2 rockets on his back, or a sub-shooter and a loader with 6 rockets on his back, it is easy to walk. It's pretty fast, not much slower than the fighters carrying semi-automatics behind them.

以第360团为前卫，120师师指、第359团、师直、第358团随后跟进，20日5时，第120师全部跨过鸭绿江到达新义州，沿永山、龟城、泰川、云山向宁边方向前进；第119师在师长徐国夫、政委刘光涛率领下随后跟进。

On the left side of the Chaojiang section, the 118th Division, under the leadership of division commander Deng Yue 8 and political commissar Zhang Yuhua, crossed the river from the mouth of the Changdian River, marched in the direction of Shuozhou, Beizhen, and the final destination was Wenjing and Xichuan.

After the first regiment of the 118th Division crossed the Yalu River, the convoy of the 13th Corps Headquarters arrived at the mouth of the Changdian River on time.Ye Ting, Xie Fang, and Du Ping, the first deputy commander of the Volunteer Army and the commanders of the 13th Corps, got out of the car, bid farewell to the local cadres and the comrades at the Corps' left-behind office, and the convoy drove on the pontoon bridge to cross the river and enter the court.

Series Ann.

The 42nd Army crossed the Yalu River from here.The 124th Division is the first echelon; the command post before the army is the second echelon; the 126th Division is the third echelon; the 125th Division is the fourth echelon.The three infantry divisions did not bring a truck (there were not many trucks in these three divisions), so they all passed the railway bridge.It took each regiment only 40 minutes to cross the Jiangqiao and enter North Korea.On the river not far from the railway bridge, the 42nd Army has built a pontoon bridge for cars to pass through. The cars and artillery of the Artillery Regiment of the 42nd Army cross the river from here.

"Brake,... drive, drive, drive," the soldiers in command of the car kept shouting and gesticulating. A truck towed a 108mm rocket launcher and drove across the trembling pontoon bridge. On the river bank, and then try to pull the rocket launcher to the bank.

Hong Xuezhi, deputy commander of the 13th Corps, was in a jeep not far from the pontoon bridge, watching the vehicles of the 42nd Army Artillery Regiment pass the pontoon bridge. "I really like these rocket launchers and howitzers," Hong Xuezhi said. "Not to mention, at least they are small and easy to conceal."