Smoke Trail Soldiers operate a Humvee with a smoke generator during the Combined Resolve X live-fire exercise in Grafenwoehr, Germany, April 19, 2018. The soldiers are assigned to the 1st Battalion, 63rd Armor Regiment. Army photo by Spc. Genesis Gomez SHARE: Download: Full Size (2.99 MB) Credit: Spc. Genesis Gomez VIRIN: 180419-A-MN612-0151C.JPG Photo Gallery