Esper Testimony Army Secretary Dr. Mark T. Esper testifies at a hearing of the Senate Armed Services Committee considering his nomination to serve as secretary of defense, July 16, 2019. SHARE IMAGE: Download Image: Full Size (3.5 MB) Tags: Army, Esper Photo By: Army Sgt. Amber I. Smith VIRIN: 190716-D-SV709-0301A.JPG Photo Gallery