Operation Fortress

Overview

Operation Fortress is a policy proposal by Reform UK to deploy the Royal Navy and other state agencies to intercept every small boat crossing the English Channel and return those on board to their country of departure. It frames the problem as a large and continuing flow of unvetted arrivals by sea, and sets out an integrated maritime operation combining military, law enforcement, surveillance and legislative measures to stop crossings and remove people intercepted at sea. In practice the plan would create a single, naval‑led joint command, initially run through HQ Standing Joint Command (UK) and, if required, a dedicated Joint Task Force Headquarters under a three‑star lieutenant general. Detection, interception, boarding, and return would run as a continuous cycle: an Integrated Surveillance Command would monitor launch beaches and task River‑class Offshore Patrol Vessels and other craft to shadow and board small boats; Border Force and police detachments would make immigration arrests; and Bay‑class landing ships would provide at‑sea detention capacity and transfer platforms for returns. The document specifies a deployed fleet of 10 vessels able to launch up to 20 rigid‑hulled inflatable boats, and envisages using drones, maritime patrol aircraft and satellite feeds for real‑time tracking. The proposals extend beyond operational change to legal and administrative measures. Reform UK says it would pass an Illegal Migration (Mass Deportation) Bill and emergency primary legislation to grant armed forces immigration powers and to prevent asylum claims and appeals. Some actions are described as immediate, such as the Prime Minister convening COBRA on day one, while others, including procurement and longer‑term command structures, are presented as options to be developed after an initial surge. The plan relies on returning people to French or Belgian shores, but the document also states it will plan for returns without the receiving state’s consent.

Key commitments

• Deploy the Royal Navy to intercept every small boat crossing the Channel and return everyone on board to their country of departure; interceptions will include rescue, medical treatment and immediate re‑embarkation onto Royal Navy vessels. Operation Fortress is an end-to-end rescue and return operation led by the Royal Navy. It will ensure that every vessel carrying illegal migrants will be intercepted by the Royal Navy and everyone on board such a vessel will be returned to their country of departure. (page 3)
• Establish a single naval‑led joint command under a Joint Task Force Commander appointed by the Chief of the Defence Staff, supported by HQ Standing Joint Command (UK) and drawing in Home Office, NCA, police, Border Force, Coastguard and intelligence agencies. We will establish a joint operation under a Joint Task Force Commander appointed by the Chief of the Defence Staff, supported initially by Headquarters Standing Joint Command (United Kingdom) with a 3* Lt Gen in command. (page 3)
• Create an Integrated Surveillance Command, end data‑sharing barriers between the Home Office and MoD and rapidly procure drones, UAVs, satellite and infrared feeds to track launches from French and Belgian beaches in real time. This will be achieved by creating an Integrated Surveillance Command that gives the joint command the real time ability to track all incoming boat launches and their passage. We will therefore end data-sharing barriers between the Home Office and MoD, rapidly procure necessary kit, deploy drones and (page 10)
• Pass emergency primary legislation to grant armed forces immigration powers, to stop asylum claims and appeals, and to permit armed forces personnel to detain and remove intercepted migrants. This legislation will grant armed forces personnel immigration powers and stop attempts to claim asylum or protection (and appeals). No asylum claim can or will be considered. (page 10)
• Assign embarked law‑enforcement detachments of Border Force, police or NCA personnel to Royal Navy vessels to conduct immigration arrests and oversee detention until emergency legislation is passed. Embarked law-enforcement detachments, comprising Border Force and, where appropriate, police or NCA personnel will therefore be assigned to tasked Royal Navy vessels, to conduct immigration arrests and oversee detention until emergency primary legislation is passed. (page 10)
• Deploy a fleet of 10 vessels with capacity to launch up to 20 RHIBs, use River‑class OPVs to intercept and Bay‑class landing ships to provide at‑sea detention and rapid turnaround capacity. We will deploy a fleet of 10 vessels, with capacity to launch up to 20 RHIBs at a time. (page 12)
• Use all available executive emergency powers immediately to implement interceptions and detentions, and the Home Secretary would submit a formal request for military assistance pending any new statutory framework. Pending any new statutory framework, Home Secretary Zia Yusuf would submit the appropriate formal request for military assistance. (page 10)

What it would cost

The document provides only one explicit fiscal figure for the present system, stating that Operation Fortress would represent a “huge saving on the £3bn currently spent on asylum accommodation alone annually.” That is presented as a rationale rather than a detailed costing. The paper does not list the capital or running costs of the proposed deployments, procurement or staffing: there are no figures for acquiring or operating drones and UAVs, fusing satellite and infrared feeds, modifying or crewing Bay‑class ships for detention, or the additional fuel, maintenance and personnel costs of a sustained 10‑vessel deployment capable of launching 20 RHIBs. It refers to past UK funding to French border measures (£45m, £54m, £476m, £662m) as precedent, but does not say whether similar sums would be sought or redirected. The plan therefore leaves uncosted: construction or purchase of sensors, additional aircraft hours, extra sea‑borne detention facilities, legal and repatriation expenses, and contingency for returns without host‑state consent. Funding sources are not specified beyond the suggestion of net savings against existing asylum accommodation expenditure; there is no budgetary model, timetable for spending, or identification of departmental budgets to be reallocated.

How it would be delivered

The document names the actors it expects to use. On day one the Prime Minister is to convene COBRA and declare a national emergency; the Secretary of State for Defence, the Chief of the Defence Staff and the Standing Joint Commander would be directed to prioritise the Channel. The initial establishment is to be through HQ Standing Joint Command (UK), with a Joint Task Force Headquarters and a three‑star lieutenant general appointed as Joint Task Force Commander if required. The Home Secretary (named in the text as Zia Yusuf) is to submit a formal request for military assistance pending statutory change. Operational delivery would be a joint effort: the Royal Navy would lead maritime interception using River‑class OPVs and Bay‑class landing ships, with Border Force, police or NCA officers embarked to conduct immigration arrests. RAF, Coastguard aircraft and army aerial assets are named for surveillance and support. Creation of an Integrated Surveillance Command and rapid procurement of drones, UAVs and satellite feeds are described as inputs to detection and tracking. The legal mechanism for expanded military detention and the suppression of asylum appeals is emergency primary legislation; until such legislation is passed the plan relies on embarked law‑enforcement detachments and the executive’s emergency powers. Timelines are partly specified as immediate for COBRA and initial surge through Standing Joint Command, but procurement, legislation passage, long‑term command structure adoption and international arrangements are not given firm dates.

What isn't specified

The proposal sets out operational form and legal intentions but leaves key elements unspecified. There are no published costings for procurement, extra personnel, platform modification, fuel, maintenance, air‑hours or hospital and medical provision at sea. The document asserts returns to French or Belgian shores and also says it will plan for returns without the receiving state’s consent, but it does not set out the diplomatic agreements, port arrangements, or legal processes required to disembark large numbers in third‑country ports. The text promises emergency primary legislation to stop asylum claims and grant armed forces immigration powers, but there is no draft wording, parliamentary timetable, or explanation of how ECHR or other judicial review risks would be managed in UK courts. The plan proposes at‑sea detention and the use of Bay‑class ships, but omits operational details such as facilities for children or vulnerable people, duration of detention, medical standards, or independent oversight. Chain‑of‑command arrangements between civil statutory responsibilities and military operational control are described in principle, but the mechanisms for accountability, complaint handling and judicial remedy are not specified.

Language and firmness

The document uses a mixture of definitive and conditional language. Many central operational commitments are expressed with certainty, for example “Operation Fortress will ensure that every vessel carrying illegal migrants will be intercepted” and “We will deploy a fleet of 10 vessels, with capacity to launch up to 20 RHIBs at a time.” At the same time it contains conditional formulations about legality and sequencing, for example “Pending any new statutory framework, Home Secretary Zia Yusuf would submit the appropriate formal request for military assistance.” It also uses modal language for future design choices, such as “we would consider adopting the structure in Appendix III.” The overall tone therefore combines firm pledges about operational intent with conditional wording where legislative or international cooperation is invoked.