ATSO guide
KUNSAN AIR BASE, Republic of Korea -- Staff Sgt. Danyette Washington, 8th Civil Engineer Squadron, properly marks simulated M8 paper using the Kunsan Air Base Ability To Survive and Operate guide as a reference. The Kunsan AB ATSO guide was developed to enhance the Wolf Pack's ability to survive and operate in a chemical, biological, radiological or nuclear environment. (U.S. Air Force photo/Staff Sgt. Amanda Savannah)