The Common Corps of the Armed Forces are Spanish military corps that are shared by all the branches of the Spanish Armed Forces providing specific professional expertise. The Common Corps are four; the Military Legal Corps (legal assistance), the Military Comptroller Corps (audit and accountability), the Military Health Corps (medical personnel) and the Military Bands Corps (military bands).[1] Currently, 3,998 Officers and WOs make up the Common Corps.[2] The educational centres of the Common Corps are part of the Central Defence Academy.