Walk and Talk Defense Secretary James N. Mattis walks with Indonesian Foreign Affairs Minister Retno Marsudi into the Pentagon, March 26, 2018. DoD photo by Navy Petty Officer 1st Class Kathryn E. Holm SHARE: Download: Full Size (1.33 MB) Credit: Kathryn E. Holm VIRIN: 180326-D-SH953-0071C.JPG Photo Gallery