In 2004, the 3rd Foreign Infantry Regiment engaged in Operation Carbet (), in Haiti. In 2008, the president of the republic launched Operation Harpie (), with point to combat illegal activities in deep jungle (mainly illegal gold-mining activities). This mission became permanent and was also reinforced in 2010. The regiment was mainly in charge of sector Oyapock, at the Brazilian frontier, while supporting forces of the gendarmerie. At end of 2011, while the Ensemble de Lancement Soyouz became operational, the Regiment ensured protection around the area.