The objective is to kill 4 REPAIR HULKS
But People kill the REPAIR HUBS because they don't see Repair HULKS.
The mission counter counts the destroyed HUBS towards the object goal but when they kill 4 of them THEY LOOSE.
No matter what they are told via chat they keep killing the HUBS and THEY LOOSE.
This mission is UNOBTAINABLE.
Fix the HUBS counting towards the goal bug !
For those that don't know: Repair HUBS are NOT repair HULKS