"Salvamento Marítimo" operates in the four international SAR areas assigned to Spain: Atlántico, Canarias, Estrecho and Mediterráneo, covering a combined extension of 1.5 million square kilometers. During a maritime emergency, Salvamento Marítimo is responsible for the coordination of other possible responders, like the Spanish Navy or the "Servicio Aéreo de Rescate", that comprises squadrons 801, 802 and 803 of the Spanish Air Force. Coordination on land, sea and air are made with the North Atlantic Treaty Organization (NATO), and cooperative European Union