Weapons with [SUSTAINED HITS X] in their profile are known as Sustained Hits weapons. Each time an attack is made with such a weapon, if a Critical Hit is rolled, that attack scores a number of additional hits on the target as denoted by ‘x’
While this unit is being affected by an Order, provided it Remained Stationary this turn, all Heavy weapons equipped by models in this unit have the [SUSTAINED HITS 1] ability