Overview of the DIII-D Fusion Science Program

This overview of the DIII-D fusion program provides an introduction to the research program carried out on the DIII-D tokamak since its inception in 1986. It serves as the introduction and summary of this special issue of Fusion Science and Technology on the DIII-D program. Special emphasis is given to the contributions of the program to the world fusion energy program and progress toward a burning plasma.