Captain Armstrong is a native of Birmingham, Michigan and was raised in Clearwater,
Florida. He graduated from Emory University with a Bachelor of Science in Biology in
1985 and subsequently was awarded a Master of Science in Public Health in 1988 at the
University of South Florida. In 1996, he graduated medical school from Des Moines
University and was promoted to Lieutenant, Medical Corps.
Prior to entering the United States Navy Captain Armstrong worked at the University of
South Florida as a data analyst investigating epidemiological factors associated with lung
cancer in non-smoking women (1988-1992). During his second year of medical school
Captain Armstrong joined the US Navy after being awarded a scholarship through the
Health Professional Scholarship Program. His first duty assignment was the Internal
Medicine residency program at Naval Medical Center Portsmouth where he served until
1999. After completion of residency he entered Infectious Disease Fellowship training at
the National Naval Medical Center/ Walter Reed, Washington D.C.
In 2001 he reported to Naval Medical Center Portsmouth where he served as a staff
Infectious Diseases physician. In 2004, he became the head of the Infectious Diseases
Department. During his time at NMCP he also served as the Associate Program Director
for Internal Medicine in 2004. In 2005, he had the opportunity to serve as the Program
head for the Clinical Trails and Military Studies Program at Naval Medical Research Unit
Number Three, Cairo Egypt. His program had clinical and epidemiological studies
throughout Africa, the Eastern Mediterranean Region and CENTCOM. During his tenure
he also served as the Tropical Medicine Course Coordinator. In 2008, he was promoted
to the head of the Navy Central HIV program located at National Naval Medical Center
Bethesda Maryland where his program administratively handled all HIV testing for the
Department of the Navy and the U.S. Coast Guard. In 2010, he was assigned as the
Senior Medical Officer to a Provincial Reconstruction Team in Afghanistan under ISAF,
where he helped to develop health infrastructure. Upon his return from deployment, his
program was realigned under the Navy Marine Corps Public Health Center and he
became the first Officer in Charge of the newly created Navy Bloodborne Infection
Management Center, Bethesda Maryland in 2011.
Captain Armstrong’s awards include the Bronze Star, Meritorious Service Medial (2),
Navy and Marine Corps Commendation Medal, Navy and Marine Corps Achievement
Medal, and Army Achievement Medal in addition to various unit and campaign awards.
Captain Armstrong is also a Fellow of the American College of Physicians and serves as
an Associate Professor of Medicine with the Uniformed Services University of the Health
Sciences, Bethesda, Maryland.