Dr. Armstrong is the Director of Aerospace Medicine for the Department of the Navy.  He coordinates the development and ongoing review of aerospace medicine policy; advises the Chief of Naval Operations and the Commandant of the Marine Corps on matters pertaining to aeromedical recruiting, training and staffing; aviation safety; physical standards; and disposition of aeronautically designated personnel.  He represents the Navy on North Atlantic Treaty Organization (NATO) working groups and panels, and he serves as an assistant professor of Military and Emergency Medicine at the Uniformed Services University of the Health Sciences. 

Dr. Armstrong is a graduate of the College of William and Mary in Virginia (B.S., M.A.Ed.), the Eastern Virginia Medical School (M.D.), and the School of Public Health and Tropical Medicine at the Tulane University of Louisiana (M.P.H. in Health Systems Management).  He is certified by the American Board of Preventive Medicine in both Aerospace Medicine and Occupational Medicine.  He is a naval flight surgeon and a Federal Aviation Administration aviation medical examiner.

A fellow of the American College of Preventive Medicine, Dr. Armstrong has been awarded the Meritorious Service Medal with two Gold Stars, the Joint Service Commendation Medal, the Navy and Marine Corps Commendation Medal with Gold Star, the Navy and Marine Corps Achievement Medal, and the Air Force Achievement Medal.  In addition, he is the recipient of the Eastern Virginia Medical School’s Alumni Award.