Defence Infrastructure Service

The Defence Infrastructure Service (Service d'Infrastructure de la Défense or SID) is a French body created at the end of 2005. It merges the three former entities in charge of Ministry of Defence buildings and properties:
 * Central Engineers' Directorate, or Direction Centrale du Génie (Armée de Terre),
 * Central Air Infrastructure Directorate, or Direction Centrale de l'Infrastructure de l'Air (Armée de l'Air)
 * Central Directorate of Maritime Properties and Works, or Direction Centrale des Travaux Immobiliers et Maritimes (Marine nationale).