belligerence), although they did intervene in the Spanish Civil War and in some colonial conflicts. After the arrival of democracy in 1978, they underwent a strong modernization process, becoming modern armed forces. In 1982 Spain entered NATO. Recently, in the last decades of the 20th century and the first decades of the 21st, Spanish troops have participated together with their Western allies in operations such as Gulf War, NATO bombing of Yugoslavia, KFOR, War on terror, 2011 military intervention in Libya, Combined Task Force 150 or UNIFIL, to name a few examples. Today Spain participated along with France, the United Kingdom, Italy, Denmark, the United States and Canada in the 2011 intervention against Muammar Gaddafi in Libya, contributing a tanker, 4 F/A-18 Hornet fighter jets, a frigate, a submarine and a surveillance aircraft, along with logistical support from the Naval Station Rota and the Morón Air Base. Spain has belonged to NATO since 1982. The decision was ratified in the 1986 referendum by the Spanish people. The conditions were the reduction of American military bases, non-integration of Spain in the military structure of NATO, and the prohibition of introducing nuclear weapons in Spain. Current missions As of June 2017, 3,093 soldiers of the Spanish Armed Forces and the Civil Guard are part of the nineteen operations where Spain has an active role. According to the National Security Department of Spain (DSN), these are the current missions of the armed forces and civil guard: Missions with the European Union EUTM Mali (2013–present): Advisory mission in the security and training sector of the Malian National Army. 130 deployed military personnel. EUTM CAR (2016–present): Training mission of the Armed Forces of the Government of the Central African Republic. The Eurocorps is in charge of carrying out this mission. 19 military deployed. EUTM SOMALIA (2010–present): Training mission of the Somali Armed Forces, with the cooperation of the UN and the African Union. 16 military deployed. Operation Atalanta (2008–present): Mission to combat piracy in the Indian Ocean as well as protection of the UN food program. 338 deployed military. EUFOR ALTHEA BOSNIA (2004–present): Advisory mission to the Armed Forces of Bosnia and Herzegovina. 3 military deployed. EUNAVFOR MED-SOPHIA (2015–present): Mission to combat trafficking in human beings and prevention of loss of life in the Mediterranean. 261 deployed military personnel. Missions with NATO Operation Sea Guardian (2016–present): Mission to fight against terrorism in the Mediterranean. 119