GOOSE CREEK, S.C. (March 23, 2021) Adm. James Caldwell, Jr., director of the Naval Nuclear Propulsion Program, speaks with Sailors assigned to Naval Nuclear Power Training Command (NNPTC) during an all-hands call at NNPTC. 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)