Lieutenant de vaisseau Lavallée (F790) is a D'Estienne d'Orves-class aviso in the French Navy.

During the Cold War, they were primarily used to patrol the continental shelf of the Atlantic Ocean in search of Soviet Navy submarines.

[2] Their role as patrollers now consists mainly of patrols and assistance missions, as well as participation in UN missions (blockades, flag checks) or similar marine policing tasks (fight against drugs, extraction of nationals, fisheries control, etc.).

[citation needed] From the end of 2014, it participated in the Corymbe Mission, a naval device aimed at ensuring the permanent presence of a vessel in the Gulf of Guinea and off the coast of West Africa.

[4][5] It was on the ship that on 8 December 2017, the resumption of official diplomatic exchanges between the French ambassador in Dakar, Christophe Bigot, and the new Gambian government, following the fall of the ex-dictator Yahya Jammeh in January 2017 which led to the reopening of the French diplomatic branch in November of the same year.