If solid fuel and laser ignition air are easy to understand, there is a satellite GPS that is necessary for scientists of this era absolutely cannot understand that the time of a satellite rotating at high speed in the orbit of a geostationary satellite passes slower than on Earth! Therefore, when calculating the position with three satellites, the Lorentz transform is required to correct the time.

The core algorithm of this work could only be done by Downing himself, and the accuracy of the clock at such a distance was quite strict, and it was necessary to use an atomic clock that was more accurate than a quartz clock. The frequency of electromagnetic waves emitted by electrons inside atoms during transitions is fixed, and the error can reach one second for a million years, which is the core principle of atomic clocks.

The electromagnetic waves released by the electronic transition of the cesium atom happen to be in the broadcast communication frequency band, which is easy to handle, so the cesium atom is suitable for the first generation of atomic clocks. In order to capture the frequency of cesium electromagnetic waves, it is necessary to have the ability to generate a series of electromagnetic waves with very close frequencies, and then use means to approach the frequency of cesium electromagnetic waves.

This method is the resonance of electromagnetic waves, when the gaseous cesium atoms are excited by electromagnetic waves of the same frequency, most of the atoms will jump, and the cesium atoms will shine brightly, which is considered to capture its frequency.

In order to obtain a ball of cesium atoms, an infrared laser beam must be used, when two pairs of horizontal and one pair of vertical couples converge a total of six laser beams, the cesium atoms heated to the gaseous state can be gathered into a ball, at this time, the laser at the bottom begins to push up the cesium ball about a distance of about one meter, so that it passes through a certain frequency of electromagnetic wave radiation cavity, the laser pushes up and turns off immediately, then the cesium ball falls down under the action of gravity, and there is a laser detector to detect whether the cesium atom cluster is fluorescent under the radiation cavity.

It is almost impossible to get the frequency at which the cesium atom fluoresces in the first place, so this fountain-like process has to be repeated many times.

The GPSAT program, which requires a troika of solid-state rockets, laser thrusters and cesium atomic clocks to go hand in hand, is probably the busiest time for Downing in years, with the Windsor consortium mobilizing 300 top engineers and scientists around the world with annual salaries of more than £1,000, and more than 3,000 skilled workers, all busy, but most don't know what they are doing or what their role is in the war.

During this time, the Southerners found that it was time for them to make a windfall, because the East Indian Navy began to blockade all the ports in the North, and the US Navy worked hard to become stronger, but it did not dare to compete head-to-head with the world's number one head, and they all hid in the river as a shrunken turtle.

As a result, large quantities of goods could only pass through the ports of the south of Guò, and a small amount could pass through Canada. Prices in the north were high, and the people were complaining, but as the descendants of the British, who were able to defeat the world's most powerful ancient Roman grain army at that time, in the first contest, the Americans were united and complained about Windsor imperialism.

The Air Force, as the main force on the battlefield, dispatched rotary-wing heavy bombers under the cover of escort attack helicopters to wantonly and indiscriminately bomb US military bases in Montana, Idaho, and Nevada.

The generals of the US military were shocked to find that these bombings from an altitude of 3,000 meters were quite accurate, and almost every bomb could be dropped on buildings. Of course not, no matter how trained a pilot is, it is impossible to do so. Since the mechanical computer and the vacuum tube computer were replaced, the accuracy of the bomb delivery system is far greater than that of the little boy who bombed Hong Xiu full-time.

The US military quietly deployed its air force in a major military town in Nevada, and they once wanted to sneak attack and bomb airships, but their dreams were shattered, and the high-altitude reconnaissance planes were equipped with a secret radar early warning system, and every bombing had an "early warning plane" as the leading party, so a small group of sneak attack troops of the US Air Force was discovered early.

The escort attack helicopter suddenly turned to meet the US Air Force raid team, and the black contractor Gatling cannon fired wildly at the squad under the brake of the automatic fire control system, and the US helicopter was slaughtered due to lack of power and armor, and they fell like meteors for the first time.

Unlike fixed-wing, pilots do not have parachute jumping capabilities, because the rotors will shatter their dreams of survival. Unless it is the helicopter of the Windsor Corps, which designed the rotor separation mechanism regardless of the cost, NATO countries simply do not have the strength to engage in such a complex thing.

So the first air battle in Nevada was so tragic for the Americans that Lincoln didn't even dare to tell the American people what had happened. The first wave of air forces on the Western Front was slaughtered, and air supremacy was overwhelmingly taken away by the air force.

When the U.S. military summed up the lessons of the defeat, they found that there were electromagnetic waves constantly scanning their planes, and at this time they still did not know the existence of the radar, thinking that it might be the enemy who had come to find them through wireless telegraphy, and demanded that radio silence must be strictly enforced before attacking in the future.

The German regiment on the Eastern Front was anxious to show its save, and a certain General Feng, who was born into a military aristocracy, was in charge, and he drew up a landing plan. Worthy of a thoughtful German general, his real intention was to land in Portland, the largest city in Maine.

This is a special place, just two years ago, during the celebration of ** day, a funny excitement set the whole city on fire, Portland's commercial center and hundreds of homes were burned to the ground, and tens of thousands of people were left homeless. It was the idle international natural disaster relief organization that helped them rebuild their homes for the first time, and the Bank of Zurich immediately provided interest-free loans to the victims, and now the houses in Portland are basically the products of Japanese mortise and tenon construction companies or shell construction companies.

If there's one city in the north of the United States that is friendly to the Windsor consortium, it's Portland, Maine. However, the cunning General Feng still planned a plan to attack Philadelphia, and if the American army moved its heavy troops south, there would be no pressure when the German ** regiment landed in Portland.

Philadelphia is located in the middle of Washington, D.C. and New York, and if Philadelphia can be beaten, both the capital and the economic capital can be beaten, so it will definitely cause panic among the Yankees.

A guy as thick as an airship is not suitable for a wing-to-ground effect aircraft, so this time it will be a purely helicopter operation, escorted by 30 attack helicopters, and 50 UH64s loaded with bombs will carry out bombing missions. Since the positioning of the signal tower was received by the US military, the bombing efficiency this time was low, and it could only strike at obvious military targets.

After a short break at a sea supply depot 1,500 kilometers away from Massachusetts, the Wing Effect aircraft sped off for Massachusetts with 100 helicopters loaded with it. This will be the first time that a ground effect aircraft has appeared on the stage of history, giving the Yankees a huge surprise.

What is the scene with 80 buzzing helicopters? It's like the end of the world for the residents of Philadelphia. Fortunately, the Windsor consortium is a paper tiger to civilians, just heading towards military camps and military airfields, and in the midst of piercing air raid sirens, US Air Force helicopters stationed in Massachusetts poured out, and it was time to fight hard.

The intruders quickly adjusted their strategy and focused on long-range dogfighting, with the enemy advancing and retreating, taking advantage of the advantage of firing far superior to the opponent's strength to make up for the inferiority of troops.

Due to the advanced engine, the helicopter is still faster than the opponent when flying backwards, so it can always maintain an effective safe distance and shoot at the opponent very happily. However, the US helicopters saw that the opportunity was not good, and they hurriedly withdrew to the protective range of the anti-aircraft guns, unable to form an effective pursuit.

The U.S. Air Force lost five helicopters in this fierce air battle, and the Air Force finally had a chance to discover that their helicopter had the ability to disengage from the rotors and then eject and parachute. The ambulance helicopter on standby in the rear immediately fished back its pilot, and the US military had not yet reacted.

Although only one enemy was shot down, the Americans jumped for joy, it was too morale-boosting, it seems that our Air Force is not a fuel-efficient lamp either, right? What the spokesman for the Department of Defense did not tell the American people is that there are more than a dozen helicopters on his side that are riddled with bullet holes and are on the verge of being scrapped.

The New York Times excitedly said: "This shows that the Warlords of Windsor are not invincible myths, and we will hold on until justice is done!" ”

The East India Company, on the other hand, wondered why one of its attack helicopters had ejected when it had not seemed to be fatally attacked. The result of the investigation was that the main pilot was too nervous and kept thinking about ejection, and as a result, the catapult was accidentally triggered. (http：//.）。 The pilot was immediately transferred to the rear logistics unit and never went to the front again.

For the next three days, the Surprise Attack Corps sent air forces to harass important cities in the east, exhausting the U.S. military and losing helicopters. Due to the fact that a large number of military power generation equipment was blown up and could not be supplied for a while, the US military had to start requisitioning civilian windmills, which was a treasure during the war, especially the miraculous hydropower integrated equipment, and the American people almost rushed to buy it.

The lack of electricity caused the economy to deteriorate rapidly, factories were shut down, and a large number of Yankees crossed the border into the Confederate state, calling themselves refugees, and the arrival of these people suddenly strained the public resources of the Confederate state such as housing, hotels, water and electricity, and gave the Richmond government a headache, but it was too embarrassed to refuse the northern brothers, and I am afraid it would be difficult to refuse, because the north-south border was too long, should the Great Wall be built like Mexico?