How to shoot down U2 with Dvina!

Very simply there are three objectives of our 2 MIG and SU and that U2

The question how to find, explain. look at the design parameters Speeds

U2 is very little speed of 150 m/s

Mig and Su speed of 300 m/s

So attention to the Speed Targets!

How to find the target with a speed of 150 m/s display on the instruments V in the

U2 flies at an altitude of 20 km, but at a low speed of 150 m/s!

So it's available!

I also like the earlier you shoot down this SU-9