melbourne australian government resume use chinese-built drone non-classifed situations country defense minister say thursday australia defense force put hold deployment china-made drone review cybersecurity follow step unite state defence minister marise payne say sideline event washington u.s. army say august order members stop use drone make chinese manufacturer sz dji technology co ltd cyber vulnerabilities products follow decision u.s. army review use particular article pause use say follow review comfortable resume use unclassified situation australian newspaper report australia defence force 40 dji drone use military exercise though exact role play drone specify dji market leader civilian drone aerial image technology australia okay use china drone non-classifed operations