Missile Demonstration Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, receives a demonstration of the capabilities of ground-based interceptor missiles from soldiers assigned to the 49th Missile Defense Battalion at Fort Greely, Alaska, Aug. 19, 2017. DoD photo by Navy Petty Officer 1st Class Dominique A. Pineiro SHARE: Download: Full Size (3.5 MB) Credit: Dominique A. Pineiro VIRIN: 170820-D-PB383-005.JPG Photo Gallery