The Defence Forces consist of the Permanent Defence Force (PDF) and the Reserve Defence Force (RDF). The PDF includes the Army, Naval Service and Air Corps. The Reserve Defence Force comprises An Forsa Cosanta Aitiuil (FCÁ) which is the Army Reserve and An Slua Muirí, the Naval Reserve. The president is the Supreme Commander of the Defence Forces. Military Command is exercised by the Government through the Minister for Defence.