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| United Kingdom Carrier Strike Group | |
|---|---|
| Unit name | United Kingdom Carrier Strike Group |
| Caption | HMS Queen Elizabeth operating with an embarked air wing |
| Dates | 2015–present |
| Country | United Kingdom |
| Allegiance | Her Majesty |
| Branch | Royal Navy |
| Type | Carrier strike group |
| Role | Power projection |
| Size | Varies |
| Garrison | HMNB Portsmouth |
| Nickname | CSG |
| Notable commanders | Admiral Sir Philip Jones |
United Kingdom Carrier Strike Group The United Kingdom Carrier Strike Group is the Royal Navy formation built around the HMS Queen Elizabeth (R08) class carriers and an embarked Royal Air Force–Fleet Air Arm air wing. It provides maritime strike, sea control, and expeditionary force projection capability for the United Kingdom and operates alongside NATO, United States Navy, and allied partner task groups. The group integrates surface combatants, submarines, logistics ships, and embarked maritime aviation to support operations from crisis response to coalition campaigns such as those led by NATO and the United Nations.
The Carrier Strike Group centers on the twin carriers HMS Queen Elizabeth (R08) and HMS Prince of Wales (R09), the fifth-generation carrier air wing based on the F-35B Lightning II, and escorts drawn from the Type 45 destroyer and Type 23 frigate fleets. It leverages Royal Navy Submarine Service assets, including Astute-class attack submarines, and support from Royal Fleet Auxiliary tankers and carriers. The formation is a component of the United Kingdom's maritime contribution to alliance operations such as Operation Shader and multinational exercises like Joint Warrior and RIMPAC.
Plans for a modern carrier strike capability trace to the Strategic Defence Review and the decision to replace the Invincible-class carriers. The construction of HMS Queen Elizabeth (R08) and HMS Prince of Wales (R09) followed procurement choices influenced by the 2010 Strategic Defence and Security Review and subsequent defence white papers. Early carrier strike experiments involved the Harrier GR7 and Harrier GR9 legacy systems and later transitioned to the F-35 Lightning II program with industrial partners such as BAE Systems, Rolls-Royce plc, and Lockheed Martin. Deployments have included task group sailing with HMS Illustrious (R06) heritage and multinational interactions with the United States Marine Corps, Royal Netherlands Navy, and French Navy carrier elements.
Typical CSG composition includes the flagship carrier, a destroyer squadron of Type 45 destroyer vessels, frigates such as Type 23 or Type 26 under construction, an Astute-class submarine for undersea warfare, Royal Fleet Auxiliary replenishment ships, and embarked fixed-wing and rotary aircraft. The air wing comprises F-35B Lightning II aircraft from the Joint Strike Fighter programme operated by the Fleet Air Arm and crews trained with No. 617 Squadron RAF and No. 809 Naval Air Squadron elements. Defensive systems include the Sea Viper missile system, Phalanx CIWS, and electronic warfare suites from BAE Systems and QinetiQ. Anti-submarine capability relies on embarked Merlin HM2 helicopters and cooperative engagement with Sonar 2087 equipped ships. Command, control and communications are provided by platforms using NATO data link standards and integration with Joint Force Command Brunssum and Allied Maritime Command nodes.
The Carrier Strike Group has undertaken global deployments to demonstrate deterrence and interoperability, including operations in the Mediterranean Sea, Indian Ocean, and Asia-Pacific region. Notable sails have included integration with the US Fifth Fleet area of operations, participation in Exercise Formidable Shield, and presence missions supporting Operation Shader maritime security tasks. The CSG has engaged in combined exercises with Royal Canadian Navy, Royal Australian Navy, Japan Maritime Self-Defense Force, and Spanish Navy units, demonstrating power projection and maritime security cooperation. Humanitarian and evacuation contingencies have drawn on CSG logistics and helicopter assets in coordination with Ministry of Defence crisis response cells.
Command of the Carrier Strike Group is vested in a rear-admiral or commodore assigned as Flag Officer Sea Training or as the Carrier Strike Group commander, aligned with Commander United Kingdom Strike Force responsibilities. Administrative support comes from First Sea Lord direction and rotation of squadrons through Royal Navy deployable task group structures. The CSG works through NATO command arrangements such as Allied Maritime Command and interoperates with coalition command structures including United States European Command and United States Indo-Pacific Command for forward deployments.
Carrier Strike Group readiness is maintained through Flag Officer Sea Training regimes, carrier trials at Culdrose, and integrated air–sea training with No. 617 Squadron RAF and 802 Naval Air Squadron elements. Large-scale exercises include Joint Warrior, RIMPAC, Saxon Warrior, and bilateral drills with United States Navy carrier strike groups. Embarked aircrew and deck teams train on arrestorless short take-off and vertical landing (STOVL) operations, interoperability with USMC, and cross-deck operations with carriers such as USS Gerald R. Ford (CVN-78) and Charles de Gaulle (R91).
Future enhancements involve procurement of additional Type 83 destroyer concepts, further deliveries of F-35B Lightning II airframes, and induction of Type 26 frigate hulls to modernize escort forces. Investments in unmanned systems such as Maritime Autonomous Systems and integration with NATO Cooperative Cyber Defence Centre initiatives are planned. Industrial partnerships with BAE Systems, Rolls-Royce plc, Babcock International, and Lockheed Martin underpin sustainment and upgrade programs to maintain carrier strike relevance into the 2030s and beyond.