Hexmark Optics

Once per turn, this one unit from your army
with this ability can be targeted with the
Fire Overwatch Stratagem for 0CP, even if
you have already used that Stratagem on a
different unit this phase. In addition, each
time you target this unit with the Fire
Overwatch Stratagem, while resolving that
Stratagem, hits are scored on normal
Ballistic Skill