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Cui Jiangong: "Although the Thai guys have average skills and tactics, they have never been beaten severely and are not afraid of death. The frontline troops should be careful and be prepared for head-to-head encounters."

On the front of the two highlands, volunteer soldiers braved the fire of American mortars and 75 howitzers and fired at the Thais with various light and heavy weapons.The soldiers of the Thai regiment braved the artillery fire and rushed from time to time, regardless of the increasing casualties, and attacked without hesitation.In the previous two days of fighting, after the South Korean regiment suffered heavy casualties and lost their offensive capabilities, they would simply turn around and roll back while alternately covering, but the Thais were not.

“泰国人说话真难听！拼了！”343高地上，最后剩下的200名泰国士兵冲进了45师135团的阵地，与135团展开了白刃战。

two hours later.

O'Daniel, commander of the 1st U.S. Army, and William Hodge, commander of the 9th U.S. Army, looked at Heights 343 and 323 with binoculars and remained silent.

The bombing of the B-29, the bombardment of [-] rounds of heavy artillery shells, and then the mortars, light howitzers, and tank main guns continued to suppress and cover with howitzers. The result was that the two infantry battalions of the Thai regiment were completely annihilated.

Now there are only more than 1700 logistics, transportation, and miscellaneous personnel left in the Thai regiment of 300 people, as well as the head of the 21st regiment, His Excellency the Prince.

……

Lianchuan.

Here, for the first time, the Volunteers surrounded an entire US infantry division.It is neither the two reinforced regiment-level combat teams of Changjin Lake, nor the semi-disabled U.S. divisions of Qingchuanjiang-Jiechuan, but all three regiments of the 24th Division of Mibu, with more than 1000 people.

Speaking of which, the 24th Mibu Division was the earliest U.S. division to be put into the Korean battlefield. The Korean War broke out on June 6, and the 25th Mibu Division was transported from Japan to South Korea within a few days.After the Volunteer Army entered the DPRK, the 24th Division of Meibu experienced the first to fifth battles, and fought the whole field.

It is now May 1951, and the 5th Mibu Division is no longer the "tatami division" that was abandoned in Tokyo in June 24. The entire division, from the division commander to the staff to the grassroots officers and soldiers, is familiar with the rules of the game on the Korean battlefield. Incomparable. On the night of May 1950, after the failure of the 6th Division of the US Army to break through the siege, the division commander Blackshire Bryan immediately ordered to switch to the defense on the spot, and quickly formed a circular fortification. The fire support point, the inner layer is the 5mm and 1mm artillery positions of the artillery regiment, and there is a reserve team in the middle for fighting fires or blocking breakthroughs.There are sandbags, earth walls, trenches, and traffic trenches in the circular fortifications. Reserve depots and field hospitals have also been set up using uncollapsed buildings in Lianchuan.

On the side of the Volunteers, the combat conditions were much improved compared to the one to four campaigns.The biggest change is that the overhead aircraft can basically be ignored. Secondly, the 8th Artillery Division threw away all the Japanese 75mm field guns and replaced them with a regiment of 105mm and 155mm howitzers. The 105mm American-made howitzer regiment (this regiment was sent by the Kuomintang), and the 8th Artillery Division realized the mechanization of the entire United States.

5月2日、3日、4日，围困美步24师的26军、12军、60军各发动了一次试探性攻击，一是为了探明美军防御的虚实，搞清楚美军防御的重点在哪里，二是让新入朝作战的12军和60军找到在朝鲜战场进行攻坚战的节奏。

The time has entered May 5th, and tonight, the volunteers are going to "come for real".

Although attacking American planes during the day did not dare to bomb and shoot, Chen Geng found that fighting at night was more beneficial to our army during the tentative attacks a few days ago.Night is more conducive to hiding and approaching the US military positions. Even if the US military fires a large number of flares, they cannot cover the entire battlefield after all. The fear of the unknown in the dark still makes American soldiers panic to a certain extent.

On May 5, a few more "big guys" were added to the encirclement of the 5th Meibu Division of the Volunteer Army.

"So long!"

"It's so rough!"

"It must be fun to fight!"

Four ISU-122 assault guns went through untold hardships and finally moved from the rear to the front line.When these 40-ton assault guns drove off the road, the engine immediately let out a huge roar, and the black smoke from the exhaust pipe became thicker.The assault guns worked hard to advance in the rugged and sloping field, heading towards the preset position.Behind the ISU-122, there are 6 IS-2 heavy tanks, and they are not easy to walk in the field.

The ISU-122 is a very embarrassing assault gun in the Soviet army. It was modified from the chassis of the IS heavy tank. The IS-43 heavy tank at the end of 1 was equipped with an 85mm gun. It was difficult to fight the German Tiger, so the IS-1 122's turret was removed, replaced with a large-sized fixed combat chamber, and a 122mm long-barreled cannon was inserted.But when the ISU-122 came out, the IS-2 heavy tank equipped with a 122mm gun almost came out, and it was only a few months before and after.So the Soviet soldiers jokingly called the ISU-2 "This is an IS-[-] with a broken turret".

...But to be honest, ISU-122 still has some advantages over IS-2. For example, ISU-122 has two loaders, which is faster than IS-1 with only one loader.

配合第3兵团作战的独立坦克第一团有一个T-34-85营、一个ISU-122突击炮连和IS-2重型坦克连。三十辆T-34-85早就投入战斗了，然而突击炮和重型坦克落在半路，边走边修，今天才吭哧吭哧运动到位。

……

On the night of May 5th, Suwon, the temporary headquarters of the 5th Army.

Ridgway's small plane landed at a field airfield near Suwon this afternoon.The war situation in North Korea has developed like this, and Li Qiwei has to go to North Korea to sit in charge in person. Now not only is the 24th Meibu Division "dangerous", but the United Nations Army is also very bad. Even Li Qiwei's title of commander-in-chief of the United Nations Army is also in danger.

Li Qiwei: "According to the current advance speed, when will the counterattack group reach Yongping?"

Yongping is on the east side of Lianchuan. If two South Korean divisions and two American divisions bring more than 300 heavy artillery to Yongping, the 24th Meibu Division will basically be saved.

Van Fleet: "At the current rate of advancement, May 5-8."

Li Qiwei: "Two hours ago, we just lost Seoul. If Seoul cannot be regained within a week, the war situation in Korea, the prestige of the United Nations Army, and even the prestige of the United States in the war will be seriously affected."

Van Fleet: "This is also a question I have been thinking about. If we give up the rescue of the 24th Division, we can gain a certain degree of initiative in the battle. Let the counterattack group break away from the battle and quickly transfer from the highway along the river to Yunji Mountain, Lifeng Mountain, and Moshiyuli , starting from Moshiyu-ri and attacking westward, wedging in from the east of the Bukhan River Plain. The Chinese and North Korean troops occupying Seoul were either surrounded or had to quickly withdraw to the northern mountainous area.”

Li Qiwei bit his lips lightly, his eyebrows furrowed upside down, and fell into repeated weighing and thinking.

Chapter 147, Ancestor Computer Network

After returning to his home from the hospital, Tang Hua still didn't have much housework to do.

Aunt Ye and two nannies, one-year-old sisters-in-law, took care of everything inside and outside the house, and also broke the custom of confinement confinement (the unanimous opinion of Tang Hua and Dr. Lin Qiaozhi). Both the baby and the baby's mother are in good condition.In addition to chatting and singing with Zhou Xuan and playing the piano, Tang Hua usually DIYs in front of a large iron box and a bunch of segment code display screens in the small concierge converted into a workshop.

一开始，唐华打算用T51S的架构，运算单元数从T51的12个缩水到6个。但后来觉得6个运算单元对于一台专职通信的计算机来说仍然过剩，干脆砍到4个运算单元。

The large iron cabinets of T50 and T51 were quite empty. This is because Tang Hua wanted the computer to look more expensive (a large computer means that it uses a lot of materials, and if it uses a lot of materials, it dares to sell expensive).Not long ago, I designed the PJX-1 field artillery computer, and I knew it in my heart. Now I re-draw the design drawing and design the chassis, and the size of the T51T communication computer has been greatly reduced by Tang Hua. After the two custom-made tin boxes were delivered at the end of April, Tang Hua began to assemble them with existing parts, and the assembly was completed and passed the commissioning on the evening of May 4.

"Chief of Staff Xu, Chief of Staff Su, Minister Li."

"Hey, you came here again after only staying at home for three days, can't you avoid housework?" Li Kenong joked.

"It's impossible, even if I'm at home, I don't do housework."

Li Kenong: ...

When Tang Hua came, he was carrying a trolley case, and the secretary who came with him was carrying another larger trolley case.

"This is the communication computer I customized for Shiji, the model is T51T."

Su Yu: "Is this a computer? Why is the one next door so big with a wardrobe, and this one so small?"

Tang Hua: "...the computer is a product of the microelectronics industry. The more advanced the computer, the faster the calculation speed, but at the same time the volume and weight will be reduced. Of course, the calculation speed of this computer is not faster than the one next door, mainly for The ease of movement of field troops saves weight."

What the secretary is pulling is the main box, which is 90 centimeters long, 50 centimeters wide and 25 centimeters high.The largest components inside are the four T51 computing units. These four shells are inserted from one end of the main case, and almost hit the other end.Other ancillary parts, including the modem, are scattered in the spare space of the main chassis.

What Tang Hua pulled was a display and storage box, 80 cm long, 40 cm wide, and 25 cm high, with a 3-line 16-segment segment code screen on the surface, and a magnetic core memory and display circuit inside.

"Officer Qian, come here and help me." Tang Hua put the main box next to the table, and the secretary and Staff Officer Qian, who was in charge of copying the telegram, lifted the display storage box weighing several tens of kilograms to the table.Then Tang Hua connected the main box and the display storage box with two thick cables, unplugged the 50 center confidential line from the telegraph in the corner of the combat information center, plugged it into the box, and then plugged the main box into the power supply.

Now, the world's first computer communication network is connected to three computers: a T51 next door to the War Information Center, a T50 in the Jilin 51 Center, and a T51T in front of Tang Hua.

Tang Hua crackled on the keyboard of the English typewriter with a simple structure, and typed a sentence:

Crossed the Yalu, Knock out Yankee.

"This sentence is now stored in this computer in the form of binary numbers of 0 and 1," Tang Hua explained to Minister Li, Su Yu and Xu Shuai. The numbers composed of strings of 0 and 1 are sent to Jiaohe’s 50 Center and the computer next door. As we all know, when sending a telegram, there are actually two kinds of long and short signals, so the computer can communicate with another computer through a modem. The computer establishes a connection and exchanges data composed of 0 and 1. In fact, not only the telegraph line, but also the telephone line can also become a connection line between computers through a modem, but the telephone line transmits voice signals, which is a little more troublesome. The signal is first modulated into an analog signal that can be transmitted through the telephone line, and after transmission, the modem of another computer receives it, converts the analog signal input into the computer into a corresponding digital signal, and sends it to the computer interface."

Tang Hua typed a few commands on the keyboard, and the computer's buzzer beeped, indicating that the computer on the network was found and the connection was completed.

Then Tang Hua sent the English sentence to the two computers, which meant that the data was directly written into the hard disks (magnetic core memory) of the two computers.

Of course, there is no need to prompt whether there is permission... There is no time to engage in security permissions for file transfers.

Anyway, there is only this one network cable on the earth today, and there are only these three Internet machines, so eavesdropping is useless, and password cracking experts have no idea what computer data flow is.Besides, there are countless public security forces and the People's Liberation Army patrolling the national defense confidential line along the way.

"Received! Minister Tang, this computer has been received!" The operator of the computer next door said loudly.

Two minutes later, Wang Yongjun also followed the operating instructions and sent a sentence from Jiaohe:

"chung kuo hao erh nv, ch" i hsin hsiang ch"ien chin" (Webster's pinyin of "good sons and daughters of China, moving forward with one heart").