Sakhalin Island, located in the northeast of the Eurasian continent, southeast of the Heilongjiang estuary, east of the Sea of Okhotsk, west through the Manomiya Strait and the mainland, south across the Soya Strait and Japan's Hokkaido, in the Soviet side, this place is called Sakhalin.

The northern part of Sakhalin is relatively flat and dominated by hilly mountains, and the southern part consists of the Eastern Sakhalin Mountains and the Western Sakhalin Mountains. The island is rich in forest resources, with mineral resources such as oil, coal and gold in the ground, and aquatic resources in coastal areas, and is one of the main production areas of salmon.

At the same time, if you look at the geographical location, you can see that this is the gateway to the Primorsky Krai of the Far East of the Soviet Union, and it is also across the sea from the island nation of Hokkaido, so the strategic location is very important.

For example, Soviet ballistic missile launch positions are deployed here, from which they can be launched and hit directly at the United States on the opposite side, even if they do not take the Arctic route.

Due to its higher latitude, it is covered in snow and ice almost all year round, and now, it is even more snowy all around, and spring is still far away.

"Woo, woo." Outside, the wind is constantly blowing, the snow on the big trees, fluttering with the wind, between the big trees, a radar antenna, rotating, compared to the surrounding snow, very strange, near the radar antenna, the ice and snow have melted.

Radar electromagnetic waves do not have a thermal effect, but when radar waves are generated, a large amount of electrical energy is turned into thermal energy, and now, radar antennas are constantly searching for them while looking high in the sky.

"Be sure to pay attention, we have received information from the Kamchatka Peninsula that there is a large target passing from the southern part of the Kamchatka Peninsula, and if it follows the course, it will come to us." Not far from the radar antenna, there is the radar room, and at this time, the squad leader inside is giving orders to his subordinates.

The atmosphere in the entire radar room was tense, there was a plane, which could fly over them!

"Boom!" At that moment, suddenly, a loud bang rang out outside, and then, the bright spots on the radar screen disappeared.

"What's going on?" The radar squad leader opened the door and looked outside, only to see that in the strong wind, a big tree was actually blown off, and it happened to smash on the radar, smashing the radar antenna!

Damn, how can something go wrong at a time like this? The radar squad leader felt a pang in his heart: "Quick, immediately repair our radar antenna!" ”

The distance from Kamchatka to their own side is long, and it takes hours for a normal plane to fly, and they have to fix the radar before the other party arrives!

"Lift the tree away first, use a crane!" The squad leader shouted.

It was freezing cold, and the crane not far away seemed to be shivering.

"Snort, snort." A soldier lit a torch in his hand, and the soldier who lives here has long had experience in dealing with the cold with one hand, at this time, the car will definitely not be able to start, and the fire must be baked first!

Torches made of pine wood, stained with pine oil, were now lit and burned vigorously, and the soldiers first took it to bake the tank, and now the fuel in the tank must have been frozen into ice cubes.

It can't be baked continuously, it needs to be shaken back and forth with a torch, heated repeatedly, and at the same time, there is also the oil circuit, the engine, and the whole wheel, and now the wheels are frozen to death from the ground, and they can't move at all.

This roast took more than twenty minutes, and when the torches were extinguished, the soldiers jumped into the cold cab.

"Buzz, buzz." Plumes of black smoke came out of the engine, and suddenly, it was lighter, and the movement became louder, boom, boom!

It's finally launched!

The soldier waited patiently for a few minutes, then started the vehicle and slowly headed towards the radar antenna.

This kind of engine is air-cooled, which is also a characteristic of the Soviets, water-cooled engines, often because the coolant is not clean, and the engine is not worried.

Several people had already hurriedly wrapped the rope around the canopy, and even the soldiers who had long been accustomed to the cold felt quite uncomfortable under the cold.

After more than two hours of tossing, finally, the radar antenna was restored to its original state again.

At the beginning, for the sake of camouflage, I chose a place with trees, but now it seems that trees are a burden, and they should be cut down!

Huge electromagnetic radiation, still want to hide? It's simply impossible.

"Power on." The radar squad leader shouted.

Boot! After a minute of warm-up, finally, the screen was displayed, the bright line was rotating around the screen, and suddenly, a bright spot appeared on it.

"Report, there is a large plane, which is flying in our direction, at a distance of three hundred kilometers!"

Cheon Byung-in suppressed his uneasiness, after this mission, he would have a large sum of money, and with this money, he would be able to live the life he wanted.

Now, with the last step to go, he looked at his course, and then, flipping a switch on the side.

As he flicked the switch, the latest secretly installed equipment under the belly of the machine began to start, and a piece of skin automatically exited, revealing the reconnaissance equipment inside.

At this point, no one knew, and he looked to the side, where the captain was boredly flipping through a magazine, preparing to spend the long flight.

The equipment of the aircraft is very advanced, and the captain's job is very easy, except for taking off and landing, there is almost nothing for him to worry about.

Now, the mission has officially begun!

The airliner did not have radar warning equipment, and it did not know that a large radar was scanning it at this time, let alone how nervous the Soviets below were at this time.

"Quick, immediately report to your superiors, report to Moscow, find a large target, flying towards our side!"

"Notify the Kamenny Irukii base, take off the fighters, and intercept them!"

There is ice and snow everywhere, and although the snow plows sweep the runway every hour, there are still a few centimeters of snow on the runway, and for Lao Maozi, take-off in this situation is perfectly normal.

"Tom, tom, tom!" Three flares, flying into the sky.

At the end of the runway, two planes were on standby, the first of which was Captain Osipovich flipping the switch.

With the help of a ground power truck, the two engines in the rear emitted a characteristic howl, and as soon as it started, he unceremoniously turned on the afterburner.

The P-13Ф-300 turbojet engine, bursting out with a thrust of 70 kN, propelled the fighter plane, on the snow-covered runway, quickly slid away, and soon, pulled up.

This is also one of the main models of the Soviet Air Defense Force, the Su-15, NATO code name Fine-spouted Bottle.