Hoover Forum Defense Secretary Ash Carter speaks about defense innovation at the Hoover Institution in Washington, D.C., Sept. 19, 2016. DoD photo by Navy Petty Officer 1st Class Tim D. Godbee SHARE: Download: Full Size (0.92 MB) Credit: MC1 Tim D. Godbee VIRIN: 160919-D-SK590-091C.JPG Photo Gallery