sentences:  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 .Tidd was executive officer in USS Leftwich (DD-984), commanding officer, USS "Arthur W. Radford" (DD-968), and Commander, Destroyer Squadron 50.Tidd holds a master's degree in political science from the University of Bordeaux, France, earned as an Olmsted Foundation Scholar.