Secretary Congratulations Defense Secretary James N. Mattis shakes hands with Navy Adm. Harry B. Harris Jr. at the change-of-command ceremony for U.S. Indo-Pacific Command at Joint Base Pearl Harbor-Hickam, Hawaii, May 30, 2018. DoD photo by Tech Sgt. Vernon Young Jr. SHARE IMAGE: Download Image: Full Size (0.74 MB) Tags: Harry B. Harris Jr., James N. Mattis, SecDef, Change of Command, Indo-Pacific Photo By: TSgt Vernon Young Jr. VIRIN: 180530-D-IO684-001.JPG Photo Gallery