2.6 million, just the army that entered the front-line position, Germany has begun to mobilize in advance for this war, many workers on the production line have been transferred to the army, the vacancies are filled by other personnel, and even some women have gone to work.

In the rear, Germany is still training at least about 2 million troops, and if needed, they can go to the battlefield at any time and shed their last drop of blood for Germany!

The time for the start of the war is getting closer and closer.

Poland, Poznan airbase.

As early as half a year ago, the air base here has been expanded, with a main runway of more than 2,000 meters, which can take off not only ordinary fighters, but also large aircraft taking off and landing, even big guys like Junkers-390.

And now, at the take-off end of the runway, a large plane is preparing for departure.

This large aircraft is a little different from the existing aircraft in Germany, its fuselage is slender, the shape of the wing is somewhat special twisted, there are two engines at the root of the wings on both sides, driving the four-bladed propeller, and its cockpit is composed of multiple pieces of glass, and the view is good.

The tail of the fuselage is a cocked tail, and on both sides of the tail, there are two vertical tails, which makes it look even more unusual.

Captain Lucas, dressed in full flight gear and carrying a suitcase in his hand, came to the plane with his crew.

"Captain, the plane is ready, it's full, the photofilm is full, the fully automatic equipment is completely normal." The ground crew said to him.

Lucas nodded, climbed into the cockpit from the small space under the nose, and behind him, several crew members also got on the plane in turn.

Flipping the switches, Lucas observed that the gauge data was normal, and then ordered the pilot next to him to start the engine.

The engine on one side of the engine made the special sound of the high-pressure oil pump, and puffs of black smoke came out of the exhaust pipe, and the propeller turned.

The vibration of this engine is much greater than that of ordinary aircraft engines, and it is not at all the sound that a gasoline engine can have, it is completely an authentic diesel engine!

Yes, among the German aircraft, there are still some outliers, such as Lucas's one, which is an extremely special long-range reconnaissance aircraft, JU-86P.

Judging from the codename, it is very close to the Junkers-88, and when this aircraft was developed, it was indeed considered as a bomber, but now, after improvement, this aircraft has played a huge role in long-distance reconnaissance.

This aviation diesel engine is soaked in the brainchild of Dr. Hugo Junkers, the founder of the Junkers company, and as early as 1910, Junkers began to develop lightweight aviation diesel engines based on heavy-duty industrial and marine engines. By 1930, aviation diesel engines were practical.

Gasoline engine power, responsive, is outstanding aviation power, aircraft in various countries, almost all choose aviation gasoline engine, however, Junkers company found another way, the use of aviation diesel engine, also has its advantages.

The fuel consumption rate of the diesel engine is quite low, and the working time of the diesel engine can be more than twice that of the gasoline engine under the same capacity of fuel, so that the range can be significantly improved.

At 180 knots, only 20 gallons of diesel fuel are needed per hour. Historically, such aircraft have been used to fly to Australia after the use of drop fuel tanks. The total range was 23,335km with a total flight time of 69 flight hours.

In terms of endurance, even the Junkers-390 is on par.

Another advantage is that the diesel engine works relatively stably under low air pressure, and in the case of thin air at high altitude, the gasoline engine needs a two-stage supercharger to work normally, and the need for the diesel engine is very low.

With this in mind, Junkers developed the Jumo 205 series and Jumo 207 series aviation diesel engines, but unfortunately, the demand for this diesel engine was not high, and it was eventually installed on the Junkers Ju 86 aircraft, which became a prominent symbol of the Ju 86.

And this kind of aircraft has only one mission, which is to conduct long-range reconnaissance!

After the engines on both sides started normally, Lucas checked the gauges again, and after making sure that there was no problem, he gently released the brakes.

The engines on both sides fluttered more violently, the propellers spun, and the JU-86P began to glide down the runway.

The diesel engine has a lot of torque, but the power is insufficient, and now the engines on both sides can only burst out 1000 horsepower, which makes the acceleration of the aircraft not smooth.

The reconnaissance plane, which was laden with fuel, barely pulled up almost in the middle of the runway, and then began to climb slowly.

100 meters, 200 meters, 500 meters, 1,000 meters... On the altimeter, it has been shown to 10,000 meters, which is already the ceiling of many high-altitude fighters in this era.

However, it is not high enough for this reconnaissance aircraft!

It's still slowly climbing up.

Ten thousand, one thousand, one thousand, thirteen thousand... When it climbed to 14,000 kilometers, it was finally leveled.

Yes, it is 14,000 meters, and even at the end of World War II, only TA-152 fighters can reach the height!

At such an altitude, the JU-86P reconnaissance aircraft is absolutely safe, so this aircraft does not carry any weapons, not even the turret in the tail, and its survival is the king, which is the height!

In later generations, whether it is U-2 or SR-71 Blackbird, their way of survival is to fly higher!

After leveling, the diesel engine was finally reduced in power, and by this time, the temperature of the engine was already very high.

The diesel engine was running smoothly, and at this altitude it did not feel a lack of oxygen in the air.

Eventually, the plane stabilized at 350 kilometers per hour and began the long flight.

To the east, over the border, over Belarus, over Moscow, all the way to the Urals, along the way, to take thousands of reconnaissance photographs for the rear.

Over the years, the relationship between Germany and the Soviet Union has been good and bad, and as a soldier of the Reich, it is his duty to obey orders, so Lucas has no psychological pressure at all on this kind of reconnaissance flight.

Even, the Soviets couldn't find them at all, and the Soviets in this era have not yet developed a mature and reliable radar!

Little by little, they flew over Warsaw, and the airspace opposite was already Soviet.

"Navigator, pay attention, adjust the direction in Warsaw, we are going to take more pictures of the deployment of the Soviets here." Lucas said: "Check our camera equipment and get ready for work!" ”

The hatch in the middle part of the fuselage opened, and inside, several high-precision aerial cameras, began to enter the preparation before the photograph.

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