U.S. and Korean troops listen as Secretary Gates speaks to them. U.S. and Korean troops from the 1st Heavy Brigade Combat Team and 210 Fires Brigade listen as Secretary of Defense Robert M. Gates speaks to them during his visit to Camp Casey, South Korea, on July 20, 2010. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 395826-A-HTD97-470.jpg Photo Gallery