3d MRB Realism Unit New Join Policy   Welcome to the 3d MRB Realism Unit! If you are interested in applying, make sure you meet the following requirements for joining. Minimum Age Required: 17 years old. Own a valid copy of ArmA 3 and a valid Player ID. (An invalid or missing Player ID will result in your application not being processed.) Own the Arma 3 Apex and Arma 3 Contact DLCs or are willing to acquire them the next time they are on a major sale Must hav