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ITER site, February 2020. Photo: ITER Organization

US ITER is a DOE Office of Science project managed by Oak Ridge National Laboratory. Partner labs are Princeton Plasma Physics Laboratory and Savannah River National Laboratory. The US is among seven partner nations in ITER, an unprecedented international collaboration of scientists and engineers working to design, construct, and assemble a reactor-scale burning plasma experiment that can demonstrate the scientific and technological feasibility of fusion power. 

US ITER website