The structure of the French Army is fixed by Chapter 2 of Title II of Book II of the Third Part of the Code of Defense, notably resulting in the codification of Decree 2000-559 of 21 June 2000.
The Army Light Aviation Command is headquartered in Vélizy-Villacoublay.
The National Territory Joint Staff is headquartered in Paris and tasked with preparing for and providing support for an eventual operational deployment French Army forces on the French national territory.
The 4th Air-Combat Brigade contains all the operational helicopter regiments of the army and is headquartered in Clermont-Ferrand.
France is divided into six Defense and Security zones, which provide territorial services to military and civil authorities in their area.