NDU regional studies center named after retired secretary of defense Former Defense Secretary William J. Perry, left, and then-Deputy Defense Secretary Ash Carter, unveil the William J. Perry Center for Hemispheric Defense Studies April 2, 2013, at Fort Lesley J. McNair, Washington. Carter and Perry discussed defense innovation at the Hoover Institution, Sept. 19, 2016. Defense Department photo by Rachel Larue SHARE: Download: Full Size (0.59 MB) Tags: National Defense University, Fort McNair, ndu, William J. Perry Center for Hemispheric Defense Studies, Joint Base Myer-Henderson Hall, ASH Carter Credit: Rachel Larue VIRIN: 130402-D-NT551-001.JPG Photo Gallery