Different Visibility

today I was able to see another fantastic masterpiece of environmental effects operators. Let me explain better, every time I advanced on the Rhine, I got the map with the rain, and I realized that from the ground you can perfectly identify flying vehicles whether they are planes, drones, or helicopters, while from one of these 3 it seems of living in a dense fog inconsistent with what one sees from the ground. this allows free throw to the AA while those in the air can barely see where they are going