John Cremins has joined the Navy as deputy under secretaryCremins brings a background as a Navy SEAL officer and defense technology executiveActing Navy Secretary Hung Cao will keynote the 2026 Navy SummitThe Department of the Navy has appointed John Cremins, a former Navy SEAL officer, as deputy under secretary for intelligence and security. What Did Acting Navy Secretary Hung Cao Say About Cremins’ Appointment? What Are Cremins’ Responsibilities as Navy Deputy Under Secretary? “It is a profound honor to return to the Department of the Navy to serve as Deputy Under Secretary for Intelligence and Security,” Cremins said. Cremins is a defense technology executive and former U.S. Navy SEAL officer with a background in mission-critical communications and national security software.