How do you neuralize the air threat?

[cykososhull]

I might be experiencing some glitches then because I did that and the men follow the planes in the flak gun but do not shoot, and the planes just fly by. Do they have to be taken out with the flak guns?

[lyklam]

In the set up, assign a key to the Pitch Down so that you can lift the camera to see the air above.
Face the enemy plane coming direction.
High light the flake gun.
Aim at the enemy plane and press the mouse button to shoot.
Repeat when the enemy plane comes back.
It will be shot down.

[lyklam]

In the option, assign a key for Pitch Down.
Use Pitch Down to view the sky.
Face the direction where enemy planes are coming from.
Aim and shoot at the planes using a flak gun.
Repeat shooting when the planes come back again.

[4afc]

put flak at autofire and automove. It takes a while, but finaly the planes got shoot down.