Afghanistan Visit Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, right, and Army Command Sgt. Maj. John W. Troxell, senior enlisted advisor to the chairman, have a conversation aboard a UH-60 Black Hawk helicopter after a visit to 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 IMAGE: Download Image: Full Size (0.99 MB) Tags: John W. Troxell, Travels , Resolute Support, Chairman, Joe Dunford, Senior Enlisted Advisor, SEAC, Afghanistan Photo By: Navy Petty Officer 1st Class Dominique A. Pineiro VIRIN: 180321-D-PB383-016.JPG Photo Gallery