Dr. Walker retired from the Air Force in July 2013 at the rank of brigadier general, and awarded the Legion of Merit. During his first year as AD, the women's field hockey, women's volleyball, and men's basketball teams won Patriot League championships. The women's volleyball repeated as Patriot League champions in 2013–2014, and were joined by the women's basketball team.
Dr. Walker departed from the Air Force in July 2013 with the rank of brigadier general and the Legion of Merit honor. As the athletic director, his initial year was marked by the women's field hockey, volleyball, and men's basketball teams securing Patriot League championships. The women's volleyball team repeated as Patriot League champions in 2013–2014, and were complemented by the women's basketball team.