Role of Dissimilar Rearmament in Allied Deterrence

This Whitehall Paper discusses how dissimilar rearmament might be leveraged as an organising principle connecting R&D, industry and the armed forces across the physical, conceptual and moral components of fighting power.

List of contents

Introduction: The Strategic Logic of Dissimilar Rearmament, Sidharth Kaushal and Paul O'Neill
The Potential of Dissimilar Rearmament
I. The Promise of the Smart, Cheap and Many, T X Hammes
Physics and Friction on the Modern Battlefield
II. Physical Trade-Offs and the Challenges of Massed Strike, Justin Bronk
III. Spectral Constraints of Drone Warfare, Jack Watling
Concepts of Operations to Leverage Dissimilar Rearmament
IV. Delivering Pervasive ISR: A 'Quick Win' for Dissimilar Rearmament Strategies, Juliana Suess and Noah Sylvia
V. Second-Tier Precision Strike as a Competitive Instrument, Sidharth Kaushal and Noah Sylvia
Dissimilar Rearmament as an Enterprise
VI. An Affordable People Component, Paul O'Neill
VII. A Contemporary Approach to Industrial Mobilisation, Paul O'Neill and Sidharth Kaushal
Conclusion: The Value of Scale, Sidharth Kaushal and Paul O'Neill

About the author

Sidharth Kaushal is Senior Research Fellow in the Military Sciences research group at RUSI. In this capacity, he has worked closely with the Royal Navy and Royal Marines, as well as several NATO Allies' militaries. Sidharth holds a doctorate in International Relations from the London School of Economics, where his research examined the impact of strategic culture on grand strategy.
Paul O'Neill is Senior Associate Fellow at RUSI and was previously Director of RUSI's Military Sciences research group. His research interests cover national security strategy, NATO and organisational aspects of defence and security, including organisational design, human resources, professional military education and decision-making. He has undertaken operational tours in Iraq, Northern Ireland, Oman, Turkey and Afghanistan, where he was Senior Advisor on Strategy and Policy to the Afghan Ministry of Interior Affairs.

Product details

• Authors: Sidharth Oneill Kaushal
• Assisted by: Sidharth Kaushal (Editor), Paul O’Neill (Editor)
• Publisher: Taylor & Francis Ltd.
• Languages: English
• Product format: Paperback / Softback
• Released: 29.10.2025
• EAN: 9781041137092
• ISBN: 978-1-0-4113709-2
• No. of pages: 122
• Series: Whitehall Papers
• Subjects: Non-fiction book > History > Miscellaneous; Social sciences, law, business > Political science > Political science and political education; HISTORY / Military / General, POLITICAL SCIENCE / International Relations / Arms Control, POLITICAL SCIENCE / International Relations / General, POLITICAL SCIENCE / World / European, POLITICAL SCIENCE / Public Policy / Military Policy, Warfare & defence, Warfare and defence, International institutions, International institutions / intergovernmental organizations