Spanish Armed Forces
The Spanish Armed Forces are in charge of guaranteeing the sovereignty and independence of the Kingdom of Spain, defending its territorial integrity and the constitutional order, according to the functions entrusted to them by the Constitution of 1978. They are composed of: the Army, the Air and Space Force, the Navy, the Royal Guard, and the Military Emergencies Unit, as well as the so-called Common Corps.
Spain is one of the most militarily powerful nations of the European Union (EUFOR) and Eurocorps. It also occupies a prominent position in the structure of NATO, which it joined in 1982. It also has the oldest Marine Infantry in the world and the oldest permanent military units in the world: the Infantry Regiment "Inmemorial del Rey" No. 1 and the Infantry Regiment "Soria" No. 9.