Commander Gillespie holds a Bachelor of Science degree in Naval Science from the U.S. Naval Academy and a Master of Arts degree in National Security and Strategic Studies from the U.S. Naval War College. As a career naval aviator, he accumulated over 2,500 hours as a patrol plane commander, mission commander and instructor pilot. His operational tours included seven overseas deployments flying with patrol squadrons out of Barbers Point, Hawaii and Brunswick, Maine, as well as tours as a battle group staff officer and department head aboard the aircraft carriers USS Theodore Roosevelt and USS Harry S. Truman, homeported in Norfolk, Virginia. His shore assignments included service as a Company Officer, English Instructor, and Executive Assistant to the Commandant of Midshipmen at the U.S. Naval Academy; as a strategic planner on the staff of the Director of Air Warfare; as Editor-in-Chief of Naval Aviation News magazine; and as a Division Director and Program Manager at the Naval Historical Center, establishing and then overseeing the Navy's nationwide system of official museums. Commander Gillespie has lived with his family in Ashburn in Loudoun County for 17 years. In addition to Naval Science, he holds endorsements to teach language arts, history and social studies, and mathematics. This is his seventh year teaching at Loudoun County High School.