chatthamhouse.org Research paper Published 20 April 2020 ISBN: 978 1 78413 391 7

Royal Navy Vanguard Class submarine HMS Vigilant returning to HMNB Clyde after extended deployment. The four Vanguard-class submarines form the UK’s strategic nuclear deterrent force. Photo: Ministry of Defence.21st century. Researchers at Chatham House have worked with eight experts to produce this collection of essays examining four contested themes in contemporary policymaking on deterrence.
- Summary
- 1. Introduction
- Human Rationality and Nuclear Deterrence
- Nuclear Deterrence Destabilized
- Connecting the Dots: US Extended Nuclear Deterrence and Denuclearization of the Korean Peninsula
- Australia and Extended Nuclear Assurance
- The Risks Posed by Emerging Technologies to Nuclear Deterrence
- Deterrence Below the Threshold of Collective Defence: Is It Possible?
- ‘Blurring the Lines’: Nuclear and Conventional Deterrence
- The Problem of Blurring Conventional and Nuclear Deterrence
- 10. Editors’ Concluding Observations
- About the Authors
- About the Editors
- Acknowledgments










A Boeing 787-9 aircraft of Vietnam Airlines. Photo courtesy of Vietnam AirlinesNational flag carrier Vietnam Airlines will operate its first regular direct flight to the U.S. on November 28, achieving a dream conceived nearly two decades ago.