Leszek Buszynski is an Honorary Professor with the Strategic and Defence Studies Centre at the Australian National University, Canberra Australia. He has written extensively on Asia Pacific security issues and was co-editor (with Do Thanh Hai) of Maritime Issues and Regional Order in the Indo-Pacific (Palgrave Macmillan, 2021), and (also with Do Thanh Hai) of The South China Sea: From Regional Maritime Dispute to Geostrategic Competition (Routledge, 2020). He was the sole author of Geopolitics and the Western Pacific: China, Japan and the United States (Routledge, 2019).

• Introduction (Leszek Buszynski), Part 1: Overview of Japanese Security, 1. The Development of Japanese Security (Toshiya Takahashi), Part 2: Domestic Sources, 2. Domestic Sources of Japan's Foreign and Security Policy (Benjamin J. Ascione), 3. The Pacifism-Security Nexus in Japan's Security Policy (Rikki Kersten), 4. Political Power Shift and Japan's Foreign/Security Policymaking (Tomohito Shinoda), 5. The Constitution and Defense Policy (Tomoyuki Sasaki), 6. Constitutional Revision under Prime Minister Abe: Incremental Change or Radical Shift? (Lindsay Black), Part 3: Defense and Strategy, 7. The Japan Self-Defense Forces: Developments and Transformation (Ryo Hinata-Yamaguchi), 8. The Japanese Maritime Self-Defense Force: Dream of a Blue Water Navy (Lee Dongkeun), 9. Japan's Maritime Defense Strategy: The MSDF's Operational Concept (Yoji Koda), 10. From Basic Law to the Multi-Domain Defense Force: Ten Year's of Transformation in Japan's Space Program (Paul Kallender), 11. Potential for Japanese Nuclear Armament (Satoshi Machida), 12. Technology Management and Japanese Security Defense (Kousuke Saitou), 13. Japan's Cybersecurity Strategy and Policy (Dai Mochinaga);, Part 4: US Alliance, 14. Japan's Alliance Relations with the US (David Arase), 15. The US-Japan Alliance in an Era of Geopolitical and Domestic Change (Mary M. McCarthy), Part 5: The Indo-Pacific, 16. Domestic Sources of Japan's China Policy 1945-2021 (Shibuichi Daiki), 17. The Korean Peninsula in Japanese Security (Tsuneo Konishi), 18. North Korea's Nuclear Posture and Japan's Defense (Kurata Hideya), 19. Japan and ASEAN (Tamotsu Fukuda), 20. Japan's Strategic Partnership with India (Purnendra Jain), 21. Japan and Australia: An Indo-Pacific Alignment (H.D.V. Envall and Thomas S. Wilkins).