1939-1945 aboriginalaustralians accidents aerialoperations antitankweapons armscontrol armsrace australia ballisticmissiles bombers controlsystems deterrence(strategy) firstcontactofaboriginalpeopleswithwesterners friendlyfire(militaryscience) german germany governmentpolicy governmentrelations guidancesystems guidancesystems(flight) history infrareddetectors investigation marineaccidents militarypolicy muavenet(destroyer) nationalsecurity nuclearnonproliferation nuclearweapons rockets(ordnance) safetymeasures saratoga(aircraftcarrier:cva-60) securitymeasures spacewarfare strategicaspects tacticalmissiles testing unitedstates worldwar