Medal Moment DJ Patil, White House chief data scientist, speaks during a ceremony to award him the Department of Defense Medal for Distinguished Public Service at the Pentagon, Nov. 29, 2016. Defense Secretary Ash Carter, seated fourth from right, presented the medal to Patil. DoD photo by Air Force Tech. Sgt. Brigitte N. Brantley SHARE: Download: Full Size (3.75 MB) Credit: Brigitte N. Brantley VIRIN: 161129-D-GO396-079.JPG Photo Gallery