Pentagon Meeting Deputy Defense Secretary Patrick M. Shanahan, right, shakes hands with Australian Defense Industry Minister Christopher Pyne at the Pentagon, April 13, 2018. DoD photo by Air Force Tech. Sgt. Vernon Young Jr. SHARE: Download: Full Size (1.12 MB) Credit: Tech. Sgt. Vernon Young Jr. VIRIN: 180413-F-IO684-002.JPG Photo Gallery