A soldier prepares the CS gas, which is similar to tear gas, for the chaplain candidates at the chemical, biological, radiological and nuclear defense chamber on Fort Jackson, S.C., May 27, 2015. A soldier prepares the CS gas, which is similar to tear gas, for the chaplain candidates at the chemical, biological, radiological and nuclear defense chamber on Fort Jackson, S.C., May 27, 2015. SHARE: Download: Full Size (2.02 MB) Tags: Photo Essays Credit: VIRIN: 202099-T-DSF48-422.jpg Photo Gallery