As of late 2024, the U.K.'s capacity to make major contributions to JEF(M) was brought into question with the decision by the newly-elected Labour government to retire both of the Royal Navy's Albion-class landing platform dock vessels by March 2025.

[6] Simultaneously, the Royal Fleet Auxiliary was suffering severe crewing problems, as well as a labour force disruption, meaning the manning of its three Bay-class landing ship dock vessels was facing serious challenges.

The deployment was "designed to demonstrate the versatile capabilities and high readiness" of the Response Force Task Group and engage with foreign allies in the Mediterranean Sea and East of Suez.

[14] On 9 May (en route to Cyprus), seven senior NCOs and the Officer Commanding the Support Troop from 6 Assault Squadron Royal Marines held a service of remembrance at the Souda Bay Commonwealth Grave site in Crete to commemorate the 70th anniversary of the bitter battle for the island.

[18] With the ongoing Civil War in Libya, on the 3 June 2011, five ships of the Response Force Task Group were temporarily detached and deployed off the Libyan coast as part of Operation Ellamy.

[19] Ocean launched repeated Apache gunships strikes from her flight deck and worked alongside the French amphibious assault ship Tonnerre, which deployed her own Eurocopter Tiger attack helicopters.

[20] HMS Triumph (a nuclear-powered fleet submarine) fired her Tomahawk land-attack cruise missiles at Libyan air defence and command and control centres.

[23] Commander UK Task Group, Commodore Paddy McAlpine said: "Cougar 12 provides us with a superb opportunity to rekindle our amphibious capability after a prolonged period when our focus has been on operations elsewhere.

"[23] Exercise 'Corsican Lion' was the main focus of Cougar 12 and was designed to towards developing the maritime and amphibious components of the Anglo-French Combined Joint Expeditionary Force (CJEF).

[24] Head of the RFTG's amphibious operations, Brigadier Martin Smith of 3 Commando Brigade, Royal Marines, was quoted saying: "It is an incredibly versatile force and our burgeoning interoperability with the French further proves this.

[32] When Typhoon Haiyan struck the Philippines in November 2013, HMS Illustrious was ordered to detach from the Response Force Task Group and assist in the disaster relief efforts.

[41][42] During December 2014 on the return journey to Britain, Bulwark and Lyme Bay conducted exercise Sea Snake, where Royal Marines from 40 Commando and 4 Assault Squadron 'stormed' the beaches of Gibraltar during amphibious landings.

27 Squadron RAF, and elements of 3 Commando Brigade HQ Royal Marines, RFA Mounts Bay and MV Eddystone Point, deployed on the Joint Expeditionary Force (Maritime) 2016.

[52][55] JEF (M) 16 composition: In April 2018, it was announced that HMS Albion was being sent to the Far East to conduct UNSCR enforcement operations against North Korea,[56] upon completion of which, the ship headed west to commence her participation in the Amphibious Task Group 18 (ATG18) deployment.