TOWN HALL U.S. Army Command Sgt. Maj. William Gainey, the senior enlisted advisor to the chairman of the Joint Chiefs of Staff, speaks to an audience of troops at a town hall meeting in Yongsan, South Korea, Aug. 16, 2007. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 913484-S-JVT23-477.jpg Photo Gallery