1. The Starting Point -- 2. Australia Embraces the Fourth Empire -- 3. Australia's Manhattan Programme -- 4. An Australian Atomic Bomber Force -- 5. The 'Problem' of Australian Security -- 6. Playing the Empire Card -- 7. Lucas Heights, Maralinga and Atomic Strategy in Asia -- 8. Suez and the Restoration of Anglo-American Co-operation -- 9. The End of Empire Defence -- Beyond the Fourth Empire