Talk:World 3/@comment-37971548-20190128152633/@comment-26082284-20190128222555

They didn't.

But what is your HQ level? Maybe you just hit treshold for next tier?

On another note: AACI and air superiority are separate mechanics with AACI happening (or not) after fighter combat was already decided. Trigger rate of AACI depends on equipment (specific setup) and AA stat. Enemy composition doesn't affect that.