I've been working on my panzer, m16 and bomber skills lately. I've racked up some kills, including a couple nights when I got 7 fighters in my m16, and then 9 fighters the same night (in one sortie
I go to look at the ranks, and i get the feeling that my Bomber stats don't reflect anything but the number of kills - it doesnt seem to give credit or points or ranking based on kills.