SEAC unfurls new insignia Army Command Sgt. Maj. John Wayne Troxell, senior enlisted advisor to the chairman of the Joint Chiefs of Staff, speaks during a farewell news conference at the Pentagon, Dec. 9, 2019. Troxell, who soon will turn over his responsibilities to Air Force Chief Master Sgt. Ramon “CZ” Colon-Lopez, announced that the military’s top enlisted position now has a distinctive rank insignia. SHARE: Download: Full Size (0.88 MB) Tags: Joint Chiefs, Troxell, SEAC Credit: Army Sgt. James K. McCann VIRIN: 191209-D-SW162-0070.JPG Photo Gallery