At the start of your Command phase, you can select one of the Mission Tactics listed below. Until the start of your next Command phase, that Mission Tactic is active and its effects apply to all DEATHWATCH units from your army. Each Mission Tactic can only be selected once per battle.
Furor Tactics
While this Mission Tactic is active, weapons equipped by DEATHWATCH units from your army have the ability.
Malleus Tactics
While this Mission Tactic is active, weapons equipped by DEATHWATCH units from your army have the ability.
Purgatus Tactics
While this Mission Tactic is active, each time a DEATHWATCH model from your army makes an attack, on a Critical Wound, that attack has the ability.