sentences:  In The Pentagon, he worked on the Navy Staff in the Strategy and Policy Division (N-51), and as the Political-Military Analyst in the Secretary of the Navy's Office of Program Appraisal.Tidd also was the Strategic Planner on the Chief of Naval Operations' Executive Panel (N-00K).Sea duty assignments include Communications Officer and Main Propulsion Assistant in USS "Semmes" (DDG-18), Boilers Officer in USS "America" (CV-66), Flag Lieutenant to Commander, Cruiser-Destroyer Group 8, and Operations Officer in .