Mattis Meeting Defense Secretary James N. Mattis meets with National Security Advisor-designate John Bolton at the Pentagon, March 29, 2018. On Dec. 13, 2018, Bolton unveiled the Trump administration’s new Africa strategy. DOD photo by Navy Petty Officer 1st Class Kathryn E. Holm SHARE IMAGE: Download Image: Full Size (1.69 MB) Tags: James N. Mattis, SecDef Photo By: Kathryn E. Holm VIRIN: 180329-D-SH953-0097.JPG Photo Gallery