The Chief of the Air and Space Force Staff (French: Chef d'état-major de l'armée de l'air et de l'espace, CEMAAE) is the military head of the French Air and Space Force. The chief directs the air and space force staff and acts as the principal advisor to the Chief of the Defence Staff on subjects concerning the Air and Space Force. As such, they ensure the operational preparedness of their service branch, express their need for military and civilian personnel, and are responsible for maintaining the discipline, morale and conduct of their troops. Special responsibilities can be assigned to them in relation to nuclear safety.