Couldn’t find the alignment, the U.S. estimates that more than 60% of the Russian military’s precision ammunition missed

According to an exclusive report by Reuters, estimates by the U.S. Department of Defense show that more than 60% of the cruise missiles, ballistic missiles and other precision ammunition launched by the Russian military have not hit their targets since the Russian-Ukrainian war began a month ago.

Reuters confirmed the statistic through three anonymous Pentagon officials, pointing out that the low hit rate of Russian-guided missiles may explain why the Russian military has not been able to achieve some basic strategic goals since the start of the war, including suppressing the Ukrainian air force and air defense. system, etc.

According to data released by the Pentagon this week, the Russian army has launched nearly 1,100 precision-guided missiles of various types since the start of the war, and about 660 missiles have not hit their targets or exploded.

In the interview, a Pentagon official said that the US military has recorded relevant data on missile launches from both sides since the war began, while the accuracy of Russian missiles will vary every day, depending on factors such as the type of missiles launched on that day and weather conditions.

Among the more than 1,100 missiles launched by the Russian army, the Kh-555 and Kh-101 air-launched cruise missiles have the highest proportion, most of which are launched from the Russian airspace to Ukraine, and the error rate is between 50% and 60%, which is the standard of the US military. , the error rate of any precision ammunition is too high as long as it reaches more than 20%.

The Kh-555 and Kh-101 are improved versions of the Kh-55 air-launched cruise missile launched by the former Soviet Union in 1983. The projectile is 745 cm long, 51.4 cm in diameter, weighs 1.65 to 2.4 metric tons, and has a range of 600 to 3,000 kilometers. Can be mounted and launched by Tu-95, Tu-160 bombers and Su-34 fighter-bombers.

Although the improved cruise missiles such as the Kh-555 have advanced active radar, terrain profile comparison and infrared guidance systems, and the equipment is not far from the U.S. Tomahawk cruise missile, after a month of actual combat, the guidance There still seems to be a lot of issues to be resolved on the system side.

However, Pentagon officials have not disclosed relevant supporting information, and Moscow has not yet responded to Reuters inquiries, so this data is still subject to follow-up verification.

Worried about a repeat of the incident of the US military’s Afghan data, Ukraine is preparing to transfer sensitive data

“Reuters” pointed out that Ukraine’s senior cybersecurity official said on the 9th local time that the Ukrainian government is preparing for the possibility of sensitive data and servers being transferred abroad to prevent Russian forces from entering Ukraine and obtaining classified information.

Victor Zhora, deputy head of Ukraine’s State Service for Special Communications and Information Protection, stressed that an emergency response plan was being developed, but said the transfer of data was considered a measure to prepare Ukraine for the threat of Russia’s possible access to classified government files. Victor Zhora pointed out that the plan has several options, including strengthening the protection of Ukraine’s IT infrastructure, as well as the transfer of data and servers to other countries. However, the server is relocated overseas, and it can only be done after the Ukrainian parliamentarians amend the law.

Zhora said that Ukraine has received offers from many countries that are willing to help host the data, but declined to disclose the details, only saying that the geographical location is close, and European countries will be the first choice for data migration. But until then, the idea of ​​moving sensitive Ukrainian data out of Russian-held territory, including mobile servers and mobile storage devices, or the digital migration of data from one server to another, is under consideration.

Even if Ukrainian lawmakers amend the law to remove restrictions on sending confidential data abroad and establish rules for removing IT assets, it does not mean that all or most of Ukraine’s data and/or network equipment will be sent abroad immediately, because the government still has to be specific The situation continued in the country until the final complete evacuation.

The Ukrainian government is so worried that if the Russian army takes control of Ukraine, it is because after the U.S. withdrawal from Afghanistan in 2021, the Taliban army obtained the information left by the U.S. military, learned the personal information of old Afghan officials and spy agents, and arrested these people. A scholar at the University of Gothenburg in Sweden said that Ukraine does not want to establish a regime in exile abroad, which is the key to striving to protect sensitive information.

Sullivan: Russia could invade Ukraine at any time

烏克蘭局勢|沙利文:俄羅斯隨時可能入侵烏克蘭

The U.S. and its allies are prepared for any scenario that develops in Ukraine, including a Russian attack on the Ukrainian capital Kiev, said Sullivan, the president’s national security adviser, in an interview with Hossein News.

Russia’s satellite news agency Rosatom quoted Sullivan as saying on Feb. 6 that the U.S. assesses that Russia “could invade Ukraine any day or two weeks from now, or opt for a diplomatic solution. Russia denies that it has plans to invade its neighboring country.

My job is not to predict when that will happen, but to be prepared for any scenario, including a Russian invasion of Ukraine’s capital,” Sullivan said.

Obesity is really contagious! Want to lose weight or have to make friends with fitness people

The Chinese New Year is coming, and it’s a good time to gather with family members to eat a big meal. The rumor on the Internet that “every festive season puts on three pounds” is not unreasonable. In addition to eating and drinking, do you know that gaining weight is also “contagious”?

According to HealthDay News, living in a community with a high rate of obesity may increase the chances that you and your children will become fat. Researchers explain that living in a community with a lot of fat people affects the social acceptance of diet and exercise behaviors and body size. This may be a phenomenon called “social transmission” at work, although the study did not prove a direct cause-and-effect relationship.

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Researchers surveyed more than 1,500 U.S. Army families. Army families were selected for the study because they typically move based on military requirements rather than personal preferences. This dispels a theory about regional obesity from the start – that obese people like to associate with people who are as fat as they are.

The researchers looked at data on about 1,300 parents and 1,100 children from 2013 to 2014. The families were stationed at or near 38 military installations across the United States. Researchers first examined family members’ body mass index (BMI), a measure of body fat based on height and weight. They then assessed the “shared environment” in which the service families lived, counting the number of grocery stores, sports and recreational facilities, and so on.

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In addition, the researchers weighed the overall obesity rates in each community. These ranged from 21% (El Paso County, Colorado) to 38% (Vernon County, Louisiana).

The study found that military families assigned to counties with higher obesity rates were more likely to be overweight or obese than military families assigned to counties with lower obesity rates. The opposite was also true: moving to a county with a lower obesity rate reduced a family’s chances of becoming obese.

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The researchers said that most people think they can control their behavior. But when asked about specific situations – such as going out to eat with friends and whether what their friends ordered influenced their meal choices – respondents’ responses changed. They would realize that other people around them do influence their meal choices.

Researchers suggest that if you want to change your weight, diet and exercise habits, then make friends who eat more healthily and exercise more often.

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Related research was published in the “Journal of the American Medical Association”.

Why did the Inchon landing commanded by MacArthur go down in history?

On September 15, 1950, the United Nations Commander-in-Chief MacArthur, with the U.S. 10th Army under the cover of the Navy’s 7th Task Force, carried out an amphibious assault landing on the coast of Inchon, South Korea. The North Korean army suffered a major strategic surprise attack. Slight resistance; on September 16, the 1st Marine Division had connected the beachheads into a front, and the city of Incheon was captured by the South Korean Marines. On September 17, the 7th U.S. Infantry Division came ashore from the beachhead, followed by a steady stream of weapons, equipment and supplies, and the Inchon landing was declared a success.

Douglas MacArthur - Wikipedia

The strategic effect of the Inchon landing was huge. Seoul (now Seoul) was captured by the United Nations forces led by the United States on the 25th, and the main rear line of communication of the North Korean army besieged in Busan was immediately cut off. Not only was the siege of Busan resolved, but also caused The main force of the North Korean army collapsed. The U.S. military chased north, crossed the 38th parallel, entered North Korea, and captured the North Korean capital, Pyongyang, on October 19. Before the Chinese Volunteer Army intervened, victory was already in sight for the U.S. military. However, when the proposal to land in Incheon was first proposed, it was met with great opposition and resistance.

On June 25, 1950, the Korean War broke out in Yan. At that time, the South Korean troops were weak and weak, and according to the assessment, their strength was only able to carry out “police tasks”, so they were immediately defeated by the North Korean army. The news of North Korea’s invasion of South Korea shocked the world. The then U.S. President Truman authorized the dispatch of the U.S. Navy and Air Force on the Korean Peninsula, and ordered the Eighth Army Corps, commanded by Lieutenant General Walker, to implement combat readiness. Its advance force, Task Force Smith, was immediately dispatched to South Korea. The 7th Fleet cruised the Taiwan Strait. On July 7, the United Nations passed Resolution 84, whereby member states send troops to participate in the war under the “joint command” chaired by the United States, with U.S. Marshal MacArthur serving as the commander-in-chief of the United Nations.

The proposal to land in Incheon was opposed by the command system
The combat troops of the U.S. 8th Corps arrived one after another, but they were unable to stop the overwhelming North Korean army, and the U.S. troops were driven back to Pusan ​​Port, the southernmost tip of the Korean Peninsula. The “United Nations Army” was determined to maintain this last ring of defense with Busan as the center and the main force of the U.S. 8th Army. In order to save the crisis and reverse the overall strategic situation, MacArthur conceived of landing at the central location of the south bank of the Korean Peninsula and the Incheon Port in the southwest of Seoul, cutting off the North Korean strategic communication line in one fell swoop.

Watch MacArthur | American Experience | Official Site | PBS

However, the proposal to land in Inchon was almost completely opposed by the US military command system. Washington believed that the location was too far away from Busan, and I was afraid that the role of the landing counter-offensive would not have an impact on the 8th Army, which was struggling far away at the southern end. In terms of technology, the planning staff of the US Marine Corps also held a negative attitude, because the geographical conditions of the Incheon Port area were totally unsuitable for the implementation of amphibious assault landings. At this time, the U.S. Navy has experienced the baptism of the Pacific War, and has been extremely familiar with the relevant technical and tactical principles of amphibious landing. According to their knowledge and experience of amphibious landing, it is a taboo to implement amphibious landing in the Inchon area.

The sea near Incheon has one of the highest tides in the world. The water flows eastward, and after thousands of years of scouring, a vast mudflat is formed; when the tide is low, the mudflat extends about 6,000 yards from the coast. In addition, the waterway entering and leaving the port of Incheon is curved and narrow. If there is no navigational aid for the registration of the waterway, and sailing under enemy fire, it will be extremely dangerous to enter and leave the port. Furthermore, there is Wolmi Island 800 yards outside the west side of Incheon Port, which is connected to the port area by a causeway, which covers the entire port area, so Wolmi Island has become a good fire spot for restraining activities inside and outside Incheon Port. Although the US Marine Corps has accumulated a lot of experience in amphibious assault landing operations in World War II, it is a new challenge for them to implement amphibious assault landing in the middle of a large city. As one U.S. Marine Corps officer put it: “If you list all the taboos in amphibious warfare, it is exactly the description of the Incheon landing. Most of those involved in the plan believed that if the Incheon landing was successful, all the teachings would need to be reworked. Write.”

General Douglas MacArthur: Quartermaster General

MacArthur was unmoved and put it into practice
However, coach MacArthur was not moved by these objections. He insisted on breaking the established preconceptions, pushing the entire plan to be completed, and with the unremitting efforts of a few Marine Corps staff, the entire combat plan was formulated and finally put into practice. The program, known as “Operation Chrome,” was carried out in coordination with the U.S. Army’s 10th Corps and Lieutenant Admiral Strubo’s 7th Fleet. The 10th Army has jurisdiction over the 1st Marine Division and the 7th Infantry Division. The 1st Marine Division will perform amphibious assault landings. After the beachhead is consolidated, the 7th Infantry Division will then go ashore and expand inland. However, before the main landing, the Marines must first capture Wolmido Island outside Incheon Port to create favorable conditions for the subsequent landing at Incheon Port.

Capturing Moon Island and kicking off the landing
In order to make the firepower of the North Korean army on Wolmi Island lose the role of threatening the landing force, the U.S. Navy Higgins Task Force, with 6 destroyers and 2 cruisers, carried out shelling on Wolmi Island for two consecutive days two days before the main operation. . The North Korean artillery on the island also returned fire on the US warship, but after all, it was unable to resist the concentrated fire of the US warship. By the end of the 14th, the firepower of the North Korean army on the island had disappeared. After the threat on Wolmi Island is eliminated, the US military will launch a landing operation at 06:30 the next day; the 3rd Battalion of the 5th Marine Corps Regiment, under the cover of intensive bombardment of naval guns and rockets, landed on the north shore of Wolmi Island and was designated as The beachhead of “Green Beach”, the Incheon Landing Battle officially kicked off.

MacArthur For President | Defense Media Network

The battle on Wolmi Island went very smoothly. With the support of the M26 Pershing chariot, the US marines planted the Stars and Stripes at the highest point of Wolmi Island in only 47 minutes; around noon, the Marines declared that the whole of Wolmi Island was occupied.

Raid performances, consolidate the beachhead
After the U.S. captured Wolmido Island, the main event came into play. At 16:45, the United Nations naval and air firepower carried out a large-scale bombardment on the beachhead of Incheon, which was preparing to land, destroying the defense stronghold of the North Korean army, and breaking down the gray causeway surrounding the harbour. At 17:30, the US Marine Corps battle groups landed on the red and blue beachheads on both sides of Incheon Port. In fact, the beachhead that the U.S. Marines grabbed was an extra-long breakwater. When the LST loaded with the Marines touched the breakwater, the first wave of U.S. Marines who grabbed the beach used ladders with hooks to hang on the top of the embankment. , climb over and over.

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Overall, the US landing operation went very smoothly. Obviously, the North Korean army suffered a major surprise attack, and the shore garrison did not offer much resistance. After night, the two landing beachheads were consolidated. While the U.S. landing was in progress, MacArthur and his staff were on the flagship amphibious command ship USS McKinley Hill and inspected the entire process of the troops’ beach grabs. They were very pleased and sent the following message to the troops: “The Navy and Marine Corps have There has never been such an outstanding performance as this morning!” The U.S. Army landed in Inchon, declaring success.

Famous war history
The Inchon landing was among the most outstanding military operations in the history of warfare. The primary contributor to the victory of the US military was none other than MacArthur. MacArthur’s unwavering attitude, coupled with his military leadership, finally led to the success of the Inchon landing. Throughout the landing process, the U.S. military did not encounter any effective counterattacks, with dozens of casualties. It can be said that the Port of Incheon was quickly captured without breaking a sweat. After that, not only Seoul but also Pyongyang fell into the hands of the U.S. military. inside.

Throughout the Korean War, the Inchon landing was a battle that people talked about with relish. The U.S. military gained great benefits at a very small price, and the situation on the Korean battlefield was turned 180 degrees in an instant.

In this regard, Lieutenant Admiral Stroup, commander of the U.S. Navy Task Force 7, commented, “Mike Shuai has three things to be commended, his operational concept, and his determination to carry out the operation to the end; An attitude of full personal responsibility.”