Soldiers were stationed there briefly during the First World War. Its last use in a military context dates to the Second World War: Fort Carré served, during the occupation, as a gathering center for foreigners for all the Alpes-Maritimes.
During the First World War, soldiers were stationed there for a short time. During the Second World War, Fort Carré served as an assembly point for foreigners in all of Alpes-Maritimes while under occupation.