private void setDockingPortTarget(ModuleDockingNode portNode)
        {
            var vessel = portNode.GetVessel();

            //can't set target if the vessel is not loaded or is the active vessel
            if (!vessel.loaded || vessel.isActiveVessel)
            {
                return;
            }

            FlightGlobals.fetch.SetVesselTarget(portNode);
        }