Is it possible for mlrs Rockets to do damage to the building? If so, what do I add and where?
I hope someone will answer a question that is easy for you professionals. Please.

well it might be as simple as adding MLRSRocket to an entity group such as mlrs
and creating a rule that says mlrs can hurt anything

    {
      "name": "mlrs",
      "members": "MLRSRocket",
      "exclusions": ""
    },​

damage will be blocked if the rockets are not assigned an owner. i did put code in there to assign the owner even if they're not seated but if that doesn't work then you must tell them to remain seated in the MLRS until all MLRS rockets are fired.

Hey, thanks a lot that helped.

I have another problem. Players fly with their minicopter and scrapcopter against the ch47, how can I prevent this? I tried the following, but it didn't help.

"mini cannot hurt ch47",
"mini cannot hurt ch47scientists"

ch47scientists.entity i think