MIT Visit Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, visits The Engine, built by the Massachusetts Institute of Technology, Boston, Mass., Nov. 14, 2017. The Engine’s mission is to help founders bring their scientific discoveries in tough technologies into the world and commercialize them at scale. DoD photo by Army Sgt. James K. McCann SHARE IMAGE: Download Image: Full Size (1.66 MB) Photo By: Sgt. James K. McCann VIRIN: 171114-D-SW162-3016.JPG Photo Gallery