Attendee Chat Defense Secretary Ash Carter talks to attendees during a meeting at the new Defense Innovation Unit Experimental, or DIUx, office in Boston, July 26, 2016. DoD photo by Air Force Tech. Sgt. Brigitte N. Brantley SHARE IMAGE: Download Image: Full Size (1.89 MB) Tags: ASH Carter, Travels , SecDef, Science, technology Photo By: Staff Sgt. Brigitte Brantley VIRIN: 160726-D-GO396-129A.JPG Photo Gallery