71XSecurity authorised members of the Defence Force may respond to attack

71X  Security authorised members of the Defence Force may respond to attack  (a) an attack on defence premises is occurring or is imminent; and  (b) the attack is likely to, or is intended to, result in the death of or serious injury to one or more persons on the defence premises.  (2) Subject to sections 72G and 72H, a security authorised member of the Defence Force may take action on defence premises to protect persons from the attack. Note: Section 72G provides that defence security officials may use reasonable and necessary force in exercising powers under this Part. Section 72H provides that security authorised members of the Defence Force may, in limited circumstances involving an attack, do a thing that is likely to cause the death of, or grievous bodily harm to, another person. Other defence security officials are not so authorised (see subsection 72G(2)).