Pentagon Welcome Defense Secretary Jim Mattis shakes hands with Czech Republic Defense Minister Martin Stropnicky before an honor guard ceremony at the Pentagon, May 2, 2017. The two defense leaders met to discuss matters of mutual importance. DoD photo by Army Sgt. Amber I. Smith SHARE IMAGE: Download Image: Full Size (0.64 MB) Tags: JIm Mattis, European Security, SecDef Photo By: Amber I. Smith VIRIN: 170502-D-SV709-023C.JPG Photo Gallery