UK to expand nuclear weapons stockpile as long-awaited Integrated Review made public
Information on the number of operational UK warheads will no longer be made public, in order to ‘complicate’ calculations of potential aggressors.
The UK has moved to expand its nuclear weapon stockpile up to 260 warheads, in a major reversal of a decade-long effort begun by the then coalition government to reduce the nuclear ceiling from 225 to 180 weapons.
Announced on 16 March in the first part of the long-awaited Integrated Review (IR), the reasoning behind the decision spoke of a ‘recognition of an evolving security environment’ and, in particular, the ‘developing range of technological and doctrinal threats’.
The warheads, known to be capable of producing a 100-kiloton explosion, are mounted on Trident II D5 ballistic missiles housed in the current
Our news & analysis is now part of Defence Insight®
A Basic-level or higher Defence Insight subscription is now required to view this content.
More from Naval Warfare
-
Shoreline vulnerability drives Gulf interest in USV networks
Ukraine’s combat-proven Magura uncrewed surface vessel is attracting Gulf state interest as the Iran war exposes gaps in layered maritime air defence, raising questions about whether low-cost attritable systems can gain a foothold in a procurement culture historically drawn to high-end Western platforms.
-
Sweden swayed by speed to capability in French frigate win
Naval Group has secured a contract to supply four Frégate de Défense et d’Intervention frigates to the Royal Swedish Navy, extending the French naval industry’s reach into Northern Europe and showing why speed to capability has become the defining criterion in today’s defence procurement contests.
-
SOF Week 2026: US NSW explores 3D-printed USVs for forward-deployed operations
US Naval Special Warfare Command is assessing the feasibility of rapidly producing expendable mid-sized USVs in theatre to support SOF and maritime security missions.
-
SOF Week 2026: MARSOC selects upgraded Shark Marine dive navigation system
MARSOC is procuring the Shark Marine Dive Tablet 2 to address a longstanding combat diver navigation capability gap, improving underwater positioning, situational awareness and integration with existing diver propulsion vehicles.
