sentences:  Other Shore assignments included the Strategic Concepts Group in the Office of Chief of Naval Operations, Military Assistant to the Executive Secretary in the immediate office of the Secretary of Defense, Executive Assistant to the Deputy Chief of Naval Operations (Air Warfare), and Executive Assistant to the Commander in Chief, United States Pacific Command.In March 1991, he was promoted to rear admiral and served as the Director, Logistics and Security Assistance (J4) for the Commander in Chief, U.S. Pacific Command.In August 1993, Ryan assumed his duties as Commander, Patrol Wings, U.S. Pacific Fleet/Commander, Anti-Submarine Warfare Forces, U.S. Pacific Fleet.