Bomber planes for ground combat.
(As of V1.0.2.126)
+100 ground combat at lvl 1 +110 ground combat at lvl 2 +120 ground combat at lvl 3 +130 ground combat at lvl 4 +140 ground combat at lvl 5 +150 ground combat at lvl 6 +160 ground combat at lvl 7 +170 ground combat at lvl 8 +180 ground combat at lvl 9 +190 ground combat at lvl 10