DARPA Demo Day Defense Advanced Research Projects Agency Director Dr. Arati Prabhakar speaks with reporters during DARPA Demo Day 2016 at the Pentagon, May 11, 2016. DARPA Demo Day gives the Defense Department community an up-close look at the agency's portfolio of innovative technologies and military systems. DoD photo by Marine Corps Sgt. Drew Tech SHARE: Download: Full Size (0.57 MB) Credit: Marine Corps Sgt. Drew Tech VIRIN: 160511-M-GX711-070A.JPG Photo Gallery