AFC deals with missiles, radiation, etc etc all the time. Also homing missies dont exist anymore.
The term "home system" from my understanding is not plural. You can have 1.
Considering there is a JG into the system, i would contest as others put it too that it can be entered.
Wesker also note this: we raced before in Omega 11 and encountered RHA. We raced with them on our tail.
This is also not a large event. This inRP would last really quickly and when there would be an opening to do so.