sentences:  WANO’s mission is to maximise the safety and reliability of nuclear power plants worldwide by working together to assess, benchmark and improve performance through mutual support, exchange of information and emulation of best practice.The tragic accident at the Chernobyl generating station in 1986 was both an end and a beginning for the nuclear industry.Faced with this reality, the leaders of every commercial nuclear reactor in the world set aside their competitive and regional differences and came together in 1989 to create the World Association of Nuclear Operators, or WANO.