if(count units group player == 1) exitWith {};
_units = units group player;
_count = (count _units) - 1;                                //All units except the player will build a perimeter
_angle = 360/_count;                                        //incremental angle

player groupChat "Quick, set up a perimeter";               //Short group message

for "_i" from 1 to _count do                                //starts at 1 in order to ignore the player
{
    _distance = [5,15] call BIS_fnc_randomNum;              //small distance variations for the visual appearance
    _dir = _i * _angle;                                     //direction the unit should watch
    _pos = [player, _distance, _dir] call BIS_fnc_relPos;   //waypoint position
    _posWatch = [player, 50, _dir] call BIS_fnc_relPos;     //workaround, position to make unit watch proper direction
    _units select _i doMove _pos;
    _units select _i doWatch _posWatch;
    _units select _i setUnitPos "MIDDLE";
};