Troxell Remarks Army Command Sgt. Maj. John W. Troxell, senior enlisted advisor to the chairman of the Joint Chiefs of Staff, speaks to service members before the USO Holiday Tour at Taji Military Complex, Iraq, Dec. 25, 2017. DoD photo by Navy Petty Officer 1st Class Dominique A. Pineiro SHARE: Download: Full Size (0.77 MB) Credit: Dominique A. Pineiro VIRIN: 171225-D-PB383-008.JPG Photo Gallery