This unit describes the skills required to apply offensive and defensive operational procedures as a member of a team within a threat environment. These operational methods are based on principles that support the conduct of any mission carried out in a threat environment.This unit was developed for combat arms personnel within an operational zone in Defence but may be relevant to others working in this field.The skills and knowledge described in this unit must be applied within the legislative, regulatory and policy environment in which they are carried out. Organisational policies and procedures must be consulted and adhered to. Those undertaking this unit would work as individuals and as part of a team, under direct and/or indirect supervision. They would use discretion and judgement and take responsibility for the quality of their outputs, while performing specific tasks, in a range of unpredictable contexts.No licensing, legislative or certification requirements apply to unit at the time of publication.