David F. Winkler, PhD, an adjunct professor with the U.S. Naval War College, retired as a commander after serving twenty-eight years on active and Navy Reserve duty as a surface warfare officer. He received his PhD in history from American University. Winkler was the staff historian with the Naval Historical Foundation and the Charles Lindbergh Chair of Aerospace History at the Smithsonian Air and Space Museum. He is the Historian General of the Naval Order of the United States and resides in Northern Virginia.