Fighter Ace Tau Empire:
1-2 Targeting Array: The Fighter Ace has +1 Ballistic Skill
3-4 Stealth Shielding: The Fighter Ace improves any cover save it is entitled to by 1 (up to a maximum cover save of 3+).
5-6 Marker Plane: The Fighter Ace can add D3 Markerlight counters to a single enemy unit within 12" instead of shooting any weapons in its Shooting phase.