Brig. Gen. Michael A. Dunn, M.D., commander of the U.S. Army’s Western Regional Medical Command, will deliver a public lecture titled “Medical Homeland Defense: Past Demons and Future Threats,” at 7 p.m. Oct. 30 (Thursday) in Room 155 of DeBartolo Hall at the University of Notre Dame.p. Dunn, a 1968 Notre Dame graduate, is the Army’s senior medical expert on chemical and biological defense. During Operation Desert Shield/Desert Storm, he was responsible for chemical casualty care of U.S. forces and led clinical expert teams attached to maneuver units thought to be at highest risk for chemical warfare agent exposure.p. Dunn is a graduate of Northwestern University Medical School and completed medical specialty training at the University of Michigan, University of Pennsylvania and Albert Einstein College of Medicine.p. Dunn’s lecture is sponsored by Notre Dame’s Department of Preprofessional Studies and Alpha Epsilon Delta honor society.