A model with this rule, if it is within 3" of one of their army’s war machines and not mounted on a monster, is allowed to take a "Look Out Sir!" roll as if they were in a unit of five or more models. In addition, one war machine that is within 3" of an Infernal Engineer may re-roll one Scatter dice or one Artillery dice per turn. If the Infernal Engineer uses his re-roll ability, he cannot shoot with his own missile weapon in the Shooting phase.