Mattis Departure Defense Secretary Jim Mattis departs Joint Base Andrews, Md. on a trip to New York City and London, March 29, 2017. DoD photo by Lisa Ferdinando SHARE IMAGE: Download Image: Full Size (0.49 MB) Tags: Travels , JIm Mattis, SecDef Photo By: Lisa Ferdinando VIRIN: 170329-D-XT155-002.JPG Photo Gallery