"It's better to evacuate quickly!"

Marshall realized that it was not good when he was aware of the problem and immediately persuaded Roosevelt to order Washington to be fully martial law.

Roosevelt hesitated for a while, and finally listened to Marshall's advice and ordered an emergency evacuation in Washington.

Immediately afterwards, a rapid air defense alarm sounded again over Washington. Citizens began to flee to the air raid shelter after the first air raid sounded, but soon learned that the air defense alarm was lifted. In less than an hour, the air defense alarm sounded again, and a considerable number of people ignored it at all.

However, soon when they learned from all sources that the new White House had begun to evacuate urgently, they realized the seriousness of the problem and rushed to various air raid shelters.

Since Roosevelt had long calculated that the US military would definitely face a retaliatory military strike that caused the Chinese Empire after a sneak attack on San Juan, a large number of air raid shelters and underground bunkers were built around Washington.

At around 7:50 a.m., about 550 B2 Mustang bombers that took off from the Bermuda base crossed over Delaware under the cover of 300 J-11 fighters and more than 700 F6 Wildcat carrier-based fighters that took off from five aircraft carriers of the Atlantic Fleet aircraft carrier battle group, and were intercepted by the U.S. Air Force over Chetspike Bay, more than 100 kilometers east of the District of Columbia.

The third, seventh, eleventh and fifteenth Air Wings of the US Air Force were stationed in four directions, east, west, south, and north of Washington. They were deployed to intercept possible retaliatory air strikes by the Chinese Empire.

Four U.S. air wings are affiliated to the U.S. Ground Self-Defense Force Aviation Command, and are equipped with a total of 4,250 fighter jets to which the Army Aviation is affiliated around Washington, namely a series of fighters starting with P as the code name for the U.S. Ground Self-Defense Force Aviation. These include three models: p38 lightning interceptor, p47 lightning heavy fighter, p51 Mustang fighter and p61 Black Widow interceptor. Among them, the P47 lightning fighter is the most deployed. This aircraft is also the main fighter jet of the U.S. Ground Self-Defense Force Aviation, and is deployed in the Washington area for more than 3,000.

Since the end of the Sino-US War more than 20 years ago, the US military was strictly restricted and sanctioned by the Chinese Empire, which forced the US military to secretly develop various types of fighter jets. However, due to restrictions on economic conditions, scientific research conditions and other factors, the US Air Force has been unable to come up with decent fighter jets. The P26 toy guns and p35 fighter jets used by the Ground Self-Defense Force Aviation before the outbreak of World War II once made the US Air Force proud, but the performance gap compared with the mainstream international fighter jets at that time. In particular, the US Air Force has always used the Imperial Chinese Air Force as an imaginary enemy, which is much worse than the advanced fighter jets of the Chinese Empire.

The p-38 lightning fighter was designed and developed by the US Air Force for lightning fighter jets from the Chinese Empire more than a decade ago. It was originally targeted by the Mexican Air Force. Before the outbreak of the Fourth US-Mexican War, in view of the sharp deterioration of the world situation, the US Congress began to approve funds to secretly establish new aviation troops to suppress the Mexican Air Force invasion.

Especially after the US Air Force watched the provocative tour performance of the Mexican Air Force's Thunderfighter jets. A large number of knowledgeable people among the American aviation industry believe that it is urgent to develop new fighter jets. In addition to the streamlined design ideas brought by traditional speed requirements (including retractable landing gear, closed cockpit, three-inch variable pitch propeller and all-metal single wing). People have realized the importance of firepower. They strongly demanded the escalation of the situation where two machine guns in World War I fought. Before that, several aircraft developed under the guidance of this idea had been in service in US Aviation, including p-26, p-35, p-36 and other aircraft. But soon, a new problem arose: even though Mexican fighters were installed for nearly a year later than the same period, their performance was still much worse than theirs, and if they were further outrageously different from the Imperial Air Force.

Especially after the Chinese Empire upgraded the Thunderbolt A-type fighter that was currently in service with the Mexican Air Force to a CD-type fighter, it was 130 kilometers faster than the US P-36c. This made the US Air Force want to buy a piece of tofu and kill it.

After careful research, Americans found that one of the main reasons for the gap was the use of the engine. Their air-cooled star engine became a bottleneck of speed - the air sucked in and its own volume became an insurmountable wall for speed improvement. So, the inspired GM Ailison Branch designed the v1710-11 liquid-cooled engine. At the same time, a GE turbocharger was used to make the engine exude more vigorous vitality. In order to prove the improvement effect, they used experiments to build more dozen XP-37s. Although they were only used for testing, the collected data was used in the design of the P-40. Although the performance was not as good as the Beiyang Aviation engine of the Chinese Empire, it is also considered a generation of internationally renowned engines.

As a twin-engine fighter, the p38 has a range of 800 kilometers and a maximum speed of 667 kilometers per hour. It can carry one ton of bombs for bombing missions, and can also use airborne weapons, a 20mm machine gun and four 12.7mm heavy machine guns for air combat.

The p38 has good luck, and its excellent performance. In Roosevelt's strategy against Mexico, the p38 just restrained the Mexican Air Force's thunderfighter, which made the US-Mexican war air supremacy miraculously balanced, and that was what the Roosevelt administration most wanted to see because they needed to buy more time to prepare for the next war.

However, the Chinese Empire seemed to have seen through Roosevelt's thoughts and strongly urged the Mexican Air Force to upgrade its equipment and break the balance of war. In the following year, the Mexican Air Force began to accept powerful J-10 fighters from the Chinese Empire. At first, the US military could also use its numerical advantage to suppress the J-10 Regiment of the Mexican Air Force and maintain the balance of air force, but soon after the Mexican Air Force installed more J-10 fighters, the losses of the US military began to expand, and air supremacy was seriously threatened.

While gritting his teeth at the Chinese Empire, the US Air Force had to compromise. In order to win time for Roosevelt to rebuild the US Navy, the US Air Force had to take out the secret hidden P47 fighter jets for emergency response.

Compared with the J-10 fighter jets of the Chinese Empire, the P-47 "Thunderbolt" developed and produced by the American Republic Aircraft Company seemed a bit difficult to accept, and was even refused to use by US pilots. However, it was not long before many pilots fell in love with it. Although the "Thunderbolt" is large in shape and its flexibility is indeed not as flexible as the J-10 fighter jets, its engine has a strong engine, strong firepower, and strong survivability. As long as it is not a vital part, it will not be a problem even if it is hit by dozens of bullets. And its dive performance is good,

As long as you seize favorable heights in air combat, dive attacks against enemy aircraft are easy to succeed. Therefore, once the use of the P-47 proved its advantage, it was welcomed by the troops, and orders kept "flying" to the Republic Aircraft Company. Various types of "thunder and lightning" aircraft were continuously transported to the front line, first shining on the Mexican battlefield, and then after the United States and Germany formed an alliance, it was even put into the European battlefield and the Atlantic battlefield, and became one of the few famous fighters in World War II that were mass-produced and made many military achievements.

On May 6, 1941, the first flight of the p-47b was successful. The test flight proved that the aircraft could hover at a speed of 400 kilometers per hour at an altitude of more than 5,000 meters. It had good maneuverability at a height of 8,470 meters and set a record of maximum level flight speed with a speed of 690 kilometers per hour. After the test flight, the p-47 was nicknamed "Thunder and Lightning". Because the aircraft shot down a large number of old-fashioned lightning fighters equipped by the Mexican Air Force in the Mexican air combat, it was given the title of Thunder and Lightning Killer by the US military. The Mexican Air Force then retired the lightning fighter in full, so the US military directly stole the lightning as the title of P47 fighter.

From the outside, the fuselage of the p-47b aircraft is round and fat. The front fuselage is equipped with a star-shaped 18-cylinder piston engine, equipped with a pair of larger four-blade propellers. The pilot's cockpit is located above the middle of the fuselage, with an inverted T-shaped tail wing at the tail, and the landing gear is a three-point rear type. The middle and lower single wing with a double-beam structure is slightly upside-down angle and the plane shape is oval. There are 4 heavy machine guns with a diameter of 12.7 mm in front of the wings on both sides, each with 2 ammunitions.

More than 00 rounds. In addition, there are multiple pyramids on the fuselage and under the wings, which can hang bombs and rockets, with a maximum cylindrical capacity of 1135 kg. It can be seen that the firepower of the P-47 fighter is very strong. However, in order to install more or carry more weapons, it will inevitably affect the other loads and performance of the aircraft. For example, the payload of an aircraft is certain. If more weapons are installed, there will inevitably be less fuel. If there is less fuel, it will affect the performance of flight distance and flight time.

The p-47 not only competed with the J-10 fighter jets on the Mexican battlefield, but also continuously covered thousands of Allied bombers on the European battlefield to bomb Moscow, Stalingrad and other places in the Soviet Union, setting off a new chapter of strategic bombing of the Soviet Union. They fought fiercely with the Soviet MiG-12 fighter jets and J-10 fighter jets that came to intercept, and shot down more than 1,160 Soviet aircraft.

But the most important point for the US Air Force is that the US P47 fighter was the only American fighter that experienced the most advanced J-11 fighter in the Soviet battlefield, which played an immeasurable role in the US Air Force's strategy and tactics to resist the Chinese Air Force.

Although the p47 is much different from the J11 fighter in terms of speed. As a propeller fighter, the p47's speed has reached its limit, but it is impossible to compete with jet fighters like J11. The US Air Force deeply feels this. For this reason, they have begun to study jet fighters, but they have started to fight against the Chinese Empire before it has been developed.

However, the p-47 has poor speed, but its fuselage is strong and has strong survivability. Most of the other fighters will explode or crash after being fired by the powerful J-11 fighter jets. The Allied fighters that escaped from the tiger's mouth are blocked by the largest number of fighters. The p47 often gets dozens of bullets and can still return safely as long as it is not the key point. In comparison, the p51, another major fighter of the US military, suffers a lot of losses.

As the absolute main force of the US Ground Self-Defense Force aviation, the p51 Mustang has the best performance and maneuverability of high-altitude high-speed performance and maneuverability, and has a large range. It can provide full-range escort for strategic bombers and enable the implementation of strategic bombings by the Allies against the Soviet Union. It can be called the model with the best comprehensive performance among US land-based fighters.

However, the aircraft pursues speed and is developing and producing J-10 fighters from the Chinese Empire. It has become the second aircraft in the world to reach the limit speed of a propeller fighter after the J-10 fighter. It is also because of this that the P51 can have a one-on-one fair showdown with the J-10 fighters on the Mexican battlefield and the Soviet battlefield, and the performance of both sides is comparable.

However, compared with the p47, the armor of the p51 is too thin. When it encounters the J-11 jet fighter, its fragile armor is quickly shot down by the opponent. During the Battle of Stalingrad, the p51 fighter suffered a heavy blow.

Based on this unfavorable condition, the US Air Force fully developed jet fighter jets, but before the development of the new generation of fighter jets was successful, the P51 fighter jet was easy to manufacture and had a low production cost of less than US$1.05 million (150,000 dragon coins). The US military was reluctant to shut down the production line of the aircraft easily. So before the Second War between China and the United States, the US military deployed 7,000 of this type of aircraft, most of which were on the front line of Mexico, because there had not yet been J-11 fighter jets in Mexico.

As the first night fighter of the US Air Force, the p61 Black Widow fighter is famous for being equipped with a costly radar system. It is precisely because of its high cost that the production capacity of the p61 fighter is insufficient. In order to cope with the possible night air strikes by the Imperial Air Force, the US Air Defense Command deployed almost all 600 P61 fighters around Washington to cooperate with the ground anti-aircraft gun regiment for night air defense operations.

In contrast, any front-line fighter jet of the Chinese Empire was equipped with a radar system. In order to conduct night combat, two-seater assisted night fighters and bombers were specially designed. However, although the night combat capability has been greatly improved, the effect is still not as good as during the day. Therefore, this time the Chinese Empire Air Force chose to attack Washington during the day, which of course also included a layer of naked showing off its military power.

However, in terms of radar equipment alone, the radar system of the Chinese Empire is not only equipped for any fighter aircraft that operates on the front line, but also has a much higher radar detection range and accuracy than that of the US aircraft. The promotion of the powerful electronics industry of the Chinese Empire has made the radar small in size and does not affect the aerodynamic standards of the aircraft's appearance. After the p61 fighter is equipped with a bulky radar system, it not only makes the aircraft look fat like a middle-aged woman. Its huge power consumption also causes the gasoline in the fuel tank to consume too quickly, and the most important thing is that its cost is very high and it cannot be fully equipped for US front-line fighter aircraft.

When the Bermuda Air Wing of the Imperial Chinese Empire invaded U.S. airspace, the U.S. Air Defense Command urgently ordered the U.S. Third Air Wing to launch and intercept it.

All 1,100 fighter jets of the Third Air Wing took off, but soon discovered that the invading Imperial Chinese aircraft had more than 1,000 fighter jets, and all of them were jet aircraft. The US Air Defense Command believed that the Third Air Wing could not intercept all the opponent, so it ordered more than 1,000 fighter jets of the Fifteenth Air Wing to take off and attack the invading Bermuda Air Wing bomber group alone.

At 8:17 in the morning, the U.S. Air Force Third Air Wing encountered 300 J-11 fighters and more than 700 F6 Wildcat carrier-based fighters from the oncoming Imperial Air Force Bermuda Air Wing, and large-scale air combat broke out between the two sides.

Since the fighters of the Chinese Empire are all fast jets, the US Air Force will be very mixed with speed, so the Third Air Wing adopts a strategy of using the P47 fighter to take the lead and act as a flesh shield to attract the J-11 and F6 fighters of the Chinese Empire to fire, and fighters such as p38, p51 and p61 are maneuvering behind, looking for opportunities to fire.

This strategy worked. At this time, every pilot of the Imperial Chinese Air Force hated the American devils and wanted to kill them immediately. Therefore, when the aircraft groups of both sides met head-on, the fighter planes of the Imperial Chinese opened fire violently.

The planes of the Chinese and American armies were immediately covered with the sky of Cheji Pike Bay. The buzzing sounds of fighter planes and the thumping of machine guns were continuous. The first time they met, the great advantages of jet fighters were clearly seen. The Imperial Chinese Air Force fighters opened fire at the first time with their speed advantage. Dozens of P47 fighters acting as flesh shields to attract firepower suddenly dragged their long smoke to the sea.

Then, the air force fighter jets of China and the United States rushed into each other's formation and immediately started a fierce melee.

Although the Imperial Chinese Air Force has a total of 1,000 jet fighters, and the US Air Force only has more than 1,000 jet fighters. In front of jet fighters, the US propeller fighter is no match for it at all. It will be a matter of time before the Imperial Chinese Air Force is eliminated. The Imperial Chinese Air Force undoubtedly has an absolute advantage, but it has a fatal shortcoming. The combat radius of more than 700 f6 wildcat carrier-based fighters cannot reach Washington. They can only escort to the Chesapeake Bay. After fighting with US aircraft, the pilots of the Navy Aviation have to watch the fuel volume and flight time at all times.

Soon, Major General York, the commander of the US Third Air Wing, discovered the problem and he couldn't help but complain loudly.

"Damn it, how did the air defense outpost report? The enemy aircraft group is not all J-11 fighter jets, including a large number of F6 fighters!" (To be continued)

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Chapter completed!