Pentagon Briefing Army Command Sgt. Major John W. Troxell, the senior enlisted advisor to the chairman of the Joint Chiefs of Staff, and the senior enlisted leaders for the U.S. combatant commands brief reporters at the Pentagon, Nov. 28, 2017. DoD photo by Army Sgt. Amber I. Smith SHARE: Download: Full Size (1.65 MB) Credit: Amber I. Smith VIRIN: 171128-D-SV709-002A.JPG Photo Gallery