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The Challenges Of Littoral Warfare For The UK: A Critical Perpective
Episode 60
Thursday, 16 October, 2025
The views expressed in this Paper are the authors', and do not represent those of MOD, the Royal Navy, RNSSC, or any other institution. The transformation of the UK's Commando Forces (CF), anchored in the Littoral Response Groups (LRGs) and the CF concept, represents an ambitious shift in British expeditionary warfare. However, its viability is undermined by structural and doctrinal disjoints that question its ability to operate effectively in contested littoral environments. Chief among these issues are: the persistent disconnect between the British Army and Royal Navy (RN); inconsistencies between UK Joint Theatre Entry Doctrine and emergent CF operational concepts; and the historical realities of military operations in littorals - especially the Baltic - which highlight the need for mass and endurance over rapid raiding. The Army-Navy Disconnect: An Enduring Structural Weakness CF transformation seeks to create an agile, distributed force capable of operating in complex littoral zones. However, its success is constrained by the systemic disconnect between the RN and Army. Despite their transformation into a high-readiness raiding force, the CF remains reliant on 17 Port and Maritime Regiment RLC (17P&M) for strategic lift and sustainment. Recent analysis underscores 17P&M's indispensable role in enabling amphibious operations, yet it is a relatively misunderstood, under-resourced, and neglected capability within the broader amphibious force structure, and one that remains firmly under an Army Op Order.1 The Army's focus on land-centric deterrence in Europe - particularly through the NATO Allied Rapid Reaction Corps and recently deployed Allied Reaction Force - suggests limited institutional buy-in for amphibious operations beyond logistical support. Ironically, it is the Army's reliance on 'red carpet' port-to-port transfer of forces that underpins its continental strategy, as evidenced in the seaborne deployment of 1UK Div to Romania via Greece2 and the recent signing of a 'strategic agreement' with Associated British Ports to expand staging options beyond Marchwood military port.3 This absence of a unified Army-Navy vision for expeditionary warfare leaves the UK in a precarious position: a CF designed for high-intensity littoral raiding, but dependent on an Army-enabled logistics structure that remains geared towards continental land warfare. Similarly, the CF's raiding focus risks confusing the amphibious shipping requirement by ignoring the Army's need for logistical mass, as well as other doctrinally recognised amphibious operations such as Humanitarian Aid and Disaster Relief.[not Doctrinal Incoherence: Joint Theatre Entry vs. Commando Force Operations The UK's Joint Theatre Entry Doctrine emphasizes securing lodgements to facilitate force build-up and follow-on operations. Historically, this has required large-scale amphibious capabilities, pre-positioned logistics, and joint enablers. Yet, the emergent CF concept of operations prioritizes distributed, small-unit raiding without a clear pathway to sustained presence or operational endurance. This is accentuated by naval-centric command and control; the CF is a maritime force element composed of naval platforms and personnel optimised to support a maritime - rather than land - campaign plan. Critiques of raiding highlights its fundamental limitations: it is resource-intensive, difficult to sustain, and often a tactic of operational necessity rather than strategic advantage.4 While raiding can disrupt adversary activity, it cannot replace force projection or control of key maritime terrain, both of which require relative mass and sustainment. By orienting the CF around raiding without a credible joint force integration plan, the UK risks investing in a force that is tactically innovative but strategically irrelevant. Moreover, this raises a crucial question: if the UK's future amphibious posture is designed for raiding rather than securing and holding terrain, how d...
