Assistant Secretary of Defense for Health Affairs Dr. William Winkenwerder Jr. (center) responds to a reporter's question during a June 28, 2002, Pentagon press briefing on the resumption of the Department of Defense anthrax immunization program. Winkenwerder was joined by Navy Vice Adm. Gordon S. Holder (left), director for logistics, J-4, the Joint Staff and William F. Raub (right), Ph.D., deputy director, Office of Public Health Preparedness, Department of Health and Human Services for the briefing.