GOOSE CREEK, S.C. (June 4, 2021) Capt. Scott J. McGinnis, right, relieves Capt. Andrew G. Peterson III, left, as commanding officer of Naval Nuclear Power Training Command (NNPTC) during a change of command ceremony at NNPTC, June 4, 2021. NNPTC's mission is to train officer and enlisted students in science and engineering fundamental to the design, operation, and maintenance of naval nuclear propulsion plants. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jessica Gomez)