Colonel Alexis B. McMullen participated in American aviation activities at the local, state and national level over a period of some 50 years, as well as international activities during two world wars. A. B. McMullen learned to fly during World War I, and he became an Aerobatic Flight Instructor and Base Engineering Officer. After the war, he barnstormed with Mabel Cody and owned/operated flying schools and aviation corporations. In 1933 he became Florida's first State Director of Aviation. Under his leadership in this position, 84 new airports and flight strips were constructed and the first comprehensive state aviation map was published. From 1936-1942 McMullen served as Chief, Airports Section Bureau of Air Division. During World War II he actively served as Deputy Commander North African Division of Air Transport Command (ATC), stationed in Morocco. After the war he established the Washington, DC Headquarters of the National Association of State Aviation Officials (NASAO) which he continued to serve with until his retirement.