Swearing In Defense Secretary Dr. Mark T. Esper swears in David L. Norquist as deputy secretary of defense as Norquist’s wife, Stephanie, holds a Bible at the Pentagon, July 31, 2019. SHARE: Download: Full Size (1.95 MB) Tags: Norquist, Deputy Secretary Credit: Lisa Ferdinando, DOD VIRIN: 190731-D-BN624-0045C.JPG Photo Gallery