Mark T. Esper Army Secretary Dr. Mark T. Esper answers questions from members of the Senate Armed Services Committee during his confirmation hearing before the Senate Armed Services Committee, July 16, 2019. The full Senate confirmed Esper to serve as the nation’s 27th defense secretary on July 23, 2019. SHARE: Download: Full Size (0.59 MB) Tags: dod Credit: Army Sgt. Amber I. Smith VIRIN: 190716-D-SV709-0247C.JPG Photo Gallery