Such work is beginning .
Such work planned in most of the large tokamaks ( JET , JT -- 60U , DIII -- D , C -- Mod , and ASDEX -- U ) using RF heating and current drive .
Such work is beginning or planned in most of the large tokamaks ( JET , JT -- 60U , DIII -- D , C -- Mod , and ASDEX -- U ) using RF heating and current drive .