How the toroidal field coils fit around the tokamak vacuum vessel (including human scale). Credit: ITER After two decades of design, production, fabrication and assembly on three continents, the historic, multinational ITER fusion energy project today celebrates the completion and delivery of its massive toroidal field coils from Japan and Europe. Masahito Moriyama, Japan's Minister of Education, Culture, Sports, Science and Technology, and Gilberto Pichetto Fratin, Italy's Minister of Environme...