Earlier this year, he Performed the Duties of the Assistant Secretary of Defense (ASD) for Special Operations/Low Intensity Conflict. He also previously served as the Deputy Assistant Secretary of Defense (DASD) for Special Operations and Combating Terrorism (SOCT). Mr. Miller was responsible for overseeing the employment of special operations forces in counterterrorism, Military Information Support Operations (MISO), Information Operations, unconventional warfare, irregular warfare, direct action, special reconnaissance, foreign internal defense, counter proliferation, sensitive special operations, and personnel recovery/hostage issues as specified by the Secretary of Defense. Mr. Miller was sworn in as the DASD for SOCT on Jan. 6, 2020.