Union of South American Nations Nelson Jobim, said in April 2008 that the Council would be formed after the "political" decision of the presidents who participated in the launch of the Union of South American Nations (UNASUR) on 23 May 2008. On 15 December 2008, at the extraordinary UNASUR summit, the creation of the South American Defense Council was finally approved. The defense ministers of Argentina, Brazil, Uruguay, Paraguay, Bolivia, Colombia, Ecuador, Peru, Chile, Guyana, Suriname and Venezuela. The Defense Council is responsible for developing joint defense policies, promoting the exchange of personnel among the Armed Forces of each country, conducting joint military exercises, participating
Union of South American Nations Union of South American Nations The Union of South American Nations (USAN; , UNASUR; , UNASUL; , UZAN; and sometimes referred to as the South American Union) is an intergovernmental regional organization comprising twelve South American countries. The UNASUR Constitutive Treaty was signed on 23 May 2008, at the Third Summit of Heads of State, held in Brasília, Brazil. According to the Constitutive Treaty, the Union's headquarters will be located in Quito, Ecuador. On 1 December 2010, Uruguay became the ninth state to ratify the UNASUR treaty, thus giving the union full legality. As the Constitutive Treaty entered into force