Following the cancellation of the third and fourth of the Horizon-class frigates in 2005 on budget grounds, requirements for an air-defence derivative of the FREMM called FREDA were placed – with DCNS coming up with several proposals.

[6] Languedoc was engaged, alongside HNLMS De Ruyter and a Atlantique maritime patrol plane, in Operation Agenor for the benefit of the European Union (within the framework of EMASOH) for the surveillance of the Strait of Hormuz from 19 May 2020, replacing the frigate Forbin.

[9] In mid 2023, the frigate was operating in the Indian Ocean and Persian Gulf, accompanying the nuclear attack submarine Suffren for part of that deployment.

[10] On 26 November 2023, Languedoc completed a transit of the Strait of Hormuz to enter the waters of the Persian Gulf as the Strike Group continues to support USCENTCOM missions.

[11] On 9 December 2023, Languedoc shot down two unmanned aerial vehicles in the Red Sea 110 kilometres (59 nmi) off Al Hudaydah, Yemen.