20mm is basically useless for CAS. I'm not talking about the A10 and its far more capable and designed for ground attack gun. The A-10 is not a fighter and no

20mm is basically useless for CAS. I'm not talking about the A10 and its far more capable and designed for ground attack gun. The A-10 is not a fighter and not relevant in this discussion. The AIM-9X is a WVR missile, I'm not talking about BVR at all.