U.S. Army Brig. Gen. Viet Luong, commander of Train, Assist, Advise Command South, briefs U.S. Defense Secretary Ash Carter on operations in the region during Carter’s visit to Kandahar Airfield, Afghanistan, Feb. 22, 2015. U.S. Army Brig. Gen. Viet Luong, commander of Train, Assist, Advise Command South, briefs U.S. Defense Secretary Ash Carter on operations in the region during Carter’s visit to Kandahar Airfield, Afghanistan, Feb. 22, 2015. SHARE: Download: Full Size (1.29 MB) Tags: Photo Essays Credit: VIRIN: 221115-J-WSC18-723.jpg Photo Gallery