Esper Visit Defense Secretary Dr. Mark T. Esper visits the Navy’s Warfighting Requirements and Capabilities Directorate at the Pentagon, Oct. 17, 2019. SHARE IMAGE: Download Image: Full Size (4.43 MB) Tags: Navy, Defense Secretary, Esper Photo By: Lisa Ferdinando, DOD VIRIN: 191017-D-BN624-0092.JPG Photo Gallery