Deep Thought Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, and participates in a roundtable discussion with members of Train Advise Assist Command - East at Forward Operating Base Gamberi, Afghanistan, March 21, 2018. DoD photo by Navy Petty Officer 1st Class Dominique A. Pineiro SHARE: Download: Full Size (1.69 MB) Credit: Petty Officer 1st Class Dominique A. Pineiro VIRIN: 180321-D-PB383-009.JPG Photo Gallery