acted as third-party peace-observers in the Sinai desert on the border between Egypt and Israel since 1982 (although this particular mission was mandated by the Camp David accords, and is not a UN effort). Recent involvement in UN peacekeeping and peace-observing efforts UN Truce Supervision Organization (UNTSO, Middle East) 1948-date: observers from Argentina and Chile. UN Military Observer Group in India and Pakistan (UNMOGIP) 1949-date: observers from Chile and Uruguay. UN Observer Mission in Central America (ONUCA) 1990-1992: observers came from Brazil (21), Colombia (12), Ecuador (21), and Venezuela (14). Venezuela contributed a battalion (approximately 800 men) during Contra demobilization, and Argentina provided four patrol craft and 30 naval personnel for ONUCA's Gulf of Fonseca operation. UN Iraq-Kuwait Observation Mission (UNIKOM) 1991-2003 : observers from Argentina (7), Uruguay (8) and Venezuela (7), as well as a helicopter unit from Chile (50 personnel). UN Angola Verification Mission (UNAVEM II) 1991-date: observers from Argentina (7), Brazil (6). UN Observer Mission in El Salvador (ONUSAL) 1991-date: Police trainers and observers came from Chile, Mexico and Guyana, while military observers were provided by Brazil, Colombia, Ecuador, and Venezuela; Argentina sent military medical officers. UN Mission for the Referendum in Western Sahara (MINURSO) 1991-date: Argentina, El Salvador, Honduras, Uruguay, Mexico, Peru, Venezuela, Honduras. UN Transitional Authority in Cambodia (UNTAC) 1992-1993: Argentina, Chile, Uruguay, Brazil, Costa Rica, Ecuador, Venezuela. UN Protection Force, Croatia (UNPROFOR) 1992-1995: observers from Brazil, Colombia and Venezuela. Argentina has sent a battalion plus support units for a total of over 900 personnel. UN Operation in Somalia (UNOSOM) 1992-1995: military medical personnel from Argentina. UN Mission in Haiti (UNMIH), 1993–1996: Argentina, Guatemala, Honduras UN Angola Verification Mission III (UNAVEM III), 1995–1997 Brazil: 739 troops; 20 military observers; 14 civilian police UN Verification Mission in Guatemala (MINUGUA) 1997: Argentina, Brazil, Ecuador, Uruguay and Venezuela UN Civilian Police Mission in Haiti (MIPONUH), 1997–2000: Argentina UN Mission in the Democratic Republic of the Congo (MONUC) 1999-date: Bolivia, Guatemala, Paraguay, Peru, UN Mission in Ethiopia and Eritrea (UNMEE) 2000-date Brazil, Guatemala, Paraguay, Peru, Uruguay UN Support in East Timor (UNMISET), 2002-2005: Argentina, Bolivia, Brazil, Chile, Peru, Uruguay UN Mission in Liberia (UNMIL) 2003–present: Bolivia, Ecuador, El Salvador, Paraguay, Peru UN Operation in Côte d'Ivoire (UNOCI) 2004–present. Argentina, Bolivia, Brazil, Dominican Republic, Ecuador, El Salvador, Guatemala, Paraguay, Peru, Uruguay UN Stabilization Mission in Haiti (MINUSTAH) 2004–present: Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, El Salvador, Guatemala, Mexico, Paraguay, Peru,