Norquist Briefing David L. Norquist, performing the duties of the deputy defense secretary, speaks with members of the Joint Civilian Orientation Conference at the Pentagon, June 24, 2019. SHARE: Download: Full Size (2.86 MB) Tags: david l. norquist Credit: Lisa Ferdinando, DOD VIRIN: 190624-D-BN624-0036A.JPG Photo Gallery