GOOSE CREEK, SC (July 7, 2023) Adm. James F. Caldwell Jr., director, Naval Nuclear Propulsion Program, right, Royal Australian Navy Vice Adm. Jonathan Mead, director-general of the Australian Submarine Agency, Royal Australian Navy Lt. Cmdr James Heydon, Royal Australian Navy Vice Adm. Mark Hammond, Chief of Navy, the Honorable Erik Raven, Under Secretary of the Navy, and Abraham M. Denmark, Senior Advisor to the Secretary of Defense for AUKUS, pose for a photo during a United States Naval Nuclear Power School (NPS) graduation ceremony at Naval Nuclear Power Training Command (NNPTC), July 7, 2023. Three Royal Australian Navy (RAN) officers graduated NPS, marking a significant step in Australia’s goal to operate conventionally-armed, nuclear-powered attack submarines (SSNs). (U.S. Navy photo by Mass Communication Specialist 2nd Class Dart D. De La Garza)