Every model is equipped with: transdimensional abductor.
While a friendly NECRONS INFANTRY unit is within 6" of this FORTIFICATION, models in that unit have the Feel No Pain 6+ ability.
Each time a ranged attack is allocated to a model, if that model is not fully visible to every model in the attacking unit because of this FORTIFICATION, that model has the Benefit of Cover against that attack.
While an enemy unit is only within Engagement Range of one or more FORTIFICATIONS from your army:
When this unit is first set up on the battlefield, its models do not have to be set up in Unit Coherency. Instead, each model must be set up wholly within 12" of one other model from its unit. From that point on, each model in this unit is treated as a separate unit.