Soldiers assigned to 1st Squadron “Garryowen,” 7th Cavalry Regiment, 1st Brigade Combat Team “Ironhorse,” 1st Cavalry Division took a trip through the gas chamber for First Team Training, Oct. 16, at Fort Hood, Texas. Troopers participated in four stations of refresher chemical, biological, radiological and nuclear training before braving the foggy chamber. (U.S. Army photo by Spc. Paige Behringer, 1st BCT Public Affairs, 1st Cavalry Division/Released)