Leaders Meet Acting Defense Secretary Patrick M. Shanahan stands with Polish Defense Minister Mariusz Blaszczak during his visit to the Pentagon, June 11, 2019. SHARE IMAGE: Download Image: Full Size (2.4 MB) Tags: Shanahan, Partnerships, Acting Defense Secretary Photo By: Army Sgt. Amber I. Smith VIRIN: 190611-D-SV709-0294A.JPG Photo Gallery