Lucius came to the War College from the Naval Postgraduate School where she designed and taught courses on U.S. foreign policy and Asian studies. She also taught courses on culture and U.S.-Vietnam relations at the Hanoi University of International Studies. Prior to her academic work, Lucius worked for the State Department as the Operations Assistant to the Ambassador at the U.S. Embassy in Hanoi, Vietnam. She also spent nearly a decade in service as a Naval Intelligence officer which included a staff tour at COMPACFLT in Hawaii and a tour on the USS JOHN C. STENNIS, CVN. In 2003, Lucius worked as the intelligence liaison between the U.S. Navy and the navies of Thailand, South Korea, Singapore and Japan. She also worked as a legislative aide in the Ohio House of Representatives.