Troxell Visit Army Command Sgt. Maj. John Wayne Troxell, senior enlisted advisor to the chairman of the Joint Chiefs of Staff, visits soldiers assigned to the 3rd U.S. Infantry Regiment (The Old Guard) at Joint Base Myer-Henderson Hall, Va., Jan. 30, 2017. SHARE IMAGE: Download Image: Full Size (1.19 MB) Photo By: Navy Petty Officer 2nd Class Dominique A. Pineiro, DOD VIRIN: 170131-D-PB383-002A.JPG Photo Gallery