Chief of Army Staff General Waker-Uz-Zaman today left here for the United States of America (USA) and Canada on an 11-day official visit, said a release of Inter Services Public Relation Directorate (ISPR) on Tuesday (October 15) morning."During the visit, he will participate in meetings with high-ranking military and civilian officials of the UN Headquarters, the USA and Canada to discuss matters related to the UN peacekeeping mission, increasing capacity of the army, developing bilateral relations and determining the future course of action and discuss various issues of mutual cooperation," it said. The army chief will return home on October 25, the release added.